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A ciência por trás das tatuagens de unhas: Um guia abrangente

Nail art has evolved significantly in recent years, surpassing traditional manicures and pedicures. Tattoos have become a captivating trend, growing with heightened artistic expression. These miniature masterpieces empower individuals to express their distinctiveness through self-expression. But have you ever wondered about the scientific principles behind them? What makes them so resilient?

Neste guia abrangente, vamos nos aprofundar na ciência intrigante das tatuagens de unhas, apresentando insights de Os melhores tatuadores da Califórnia e apoiado por pesquisas científicas completas.

Origens das tatuagens nas unhas

Emergindo de uma antiga arte em unhas traditions, tattoos, alternatively known as decals or wraps, have historical ties to civilizations such as the Chinese, Egyptians, and Indians. These cultures adorned their nails with diverse materials for aesthetic purposes. However, the contemporary tattoo trend emerged in the late 20th century, creatively meeting the demand for intricate and detailed designs.

Expressando a individualidade

O principal objetivo das tatuagens de unhas é a capacidade de expressar a individualidade. Seja optando por um padrão geométrico minimalista, um desenho floral animado ou um retrato meticuloso, elas oferecem uma plataforma para que os indivíduos exibam sua personalidade, interesses e criatividade em uma tela compacta, porém influente. A variedade de desenhos garante uma tatuagem de unha adequada para cada estilo, humor e ocasião.

Comunidade e tendências

O aumento da mídia social influenciou o crescente apelo das tatuagens de unhas. O Instagram e o Pinterest são galerias virtuais onde artistas e entusiastas exibem suas últimas criações. Eles inspiram outras pessoas a explorar diversos estilos e técnicas.

As tendências em tatuagens de unhas frequentemente refletem os movimentos da moda e da arte, destacando a natureza dinâmica dessa avenida de autoexpressão em constante evolução.

Entendendo os conceitos básicos

As tatuagens de unhas representam uma fascinante interseção de arte e ciência, ampliando os limites da estética tradicional das unhas. Diferentemente das tatuagens esmalte tradicional., which forms a solid layer upon drying, nail tattoos utilize a unique approach by employing ink that adheres to the nail’s surface.

At the heart of nail tattoos is the formulation of specialized inks designed to bond effectively with the keratin structure of the nails. These inks often consist of pigments suspended in a liquid base, carefully crafted to ensure optimal adherence and durability. Artists choose them for their vibrancy and ability to maintain integrity on the nail’s surface over time.

Materiais e técnicas

As tatuagens de unhas podem ser feitas de várias formas, desde decalques e adesivos com água até desenhos intrincados pintados à mão. Aqui estão algumas técnicas e materiais populares usados para criá-las:

  1. Water Decals: The most common type of nail tattoo. They are a thin film that transfers onto using water. The process involves submerging the decal in water, placing it into position, and sealing it with a top coat to achieve a seamless result.
  2. Nail Stickers: Pre-designed adhesive decals for direct application. Available in various shapes, sizes, and patterns, they offer limitless possibilities for customization.
  3. Gel Transfers: A design placed onto the nail using a special gel or adhesive. Employing this method leads to a tattoo that is long-lasting and more resilient.
  4. Desenhos com tinta: Para quem busca unhas exclusivas e personalizadas, os desenhos com tinta oferecem um toque único. Artistas habilidosos podem criar obras de arte complexas e detalhadas.

Aplicação de tatuagem nas unhas

A aplicação de tatuagens nas unhas é um processo preciso, baseado nos princípios da ciência:

  1. Surface Preparation: Nail surface preparation before applying them is very important. It involves removing oils that could interfere with the application’s efficacy.
  2. Mecanismo de aplicação: A aplicação usada nas tatuagens cria uma forte ligação com a unha, garantindo uma conexão segura, porém suave.
  3. Air Removal: Research-based techniques are employed to eliminate trapped air bubbles during application, ensuring a seamless, professional finish contributes to the design’s longevity.
  4. Top Coat Protection: Many nail tattoos require a scientifically formulated top coat, which enhances the design’s vibrancy and adds a protective layer, extending the design’s lifespan.

A longevidade das tatuagens de unhas

Vários fatores influenciam a longevidade das tatuagens nas unhas.

  1. Water Resistance: Nail tattoos resist exposure to water. It prevents smudging and lifting of the design, even in moist conditions.
  2. Flexibility: The vinyl or polymer material is sufficiently flexible to conform to the nail’s shape sem rachaduras ou descascamento, mesmo sob movimentos naturais.
  3. Desgaste: O manuseio cuidadoso pode aumentar significativamente a vida útil das tatuagens nas unhas.
  4. Top Coat’s Protective Role: The formulation of top coats plays a pivotal role in protecting nail tattoos from chipping, fading, or scratching, ensuring a design that endures.

Reconstrução do leito ungueal

Medical tattooing serves to help restore a patient’s physical well-being while aiding in their psychological recovery from the impacts of disease, surgery, or trauma. It becomes essential with surgically removed nails [1].

Normalmente, a tatuagem médica é um processo que requer várias sessões para integrar nuances de cores precisas e obter um resultado extremamente realista. Envolve a colaboração com um artista médico qualificado que possua experiência substancial nesse campo especializado.

The precise and safe implementation of the treatment depends on the tattoo artist possessing a thorough grasp of specific techniques and adeptly handling the necessary materials. Frequently, unsatisfactory results arise due to the operator’s lack of experience and knowledge of the process employed during the treatment.

A importância e o potencial do uso de tatuagens para fins médicos tornam-se evidentes quando elas podem aprimorar ou refinar os resultados obtidos com a cirurgia plástica. Isso pode ajudar a contornar a necessidade de procedimentos invasivos adicionais.

A aplicação da tatuagem médica para restaurar a estética do corpo leito ungueal marca um avanço significativo, ressaltando a versatilidade dessa técnica. Com a supervisão de um médico e artista habilidosos, o paciente pode restaurar a sensação de integridade física sem enfrentar riscos à saúde.

Conclusão

Nail tattoos represent a harmonious mix of artistic expression and scientific creativity, transcending mere fashion views. Continual research and innovation have led to the development of exceptional and enduring tattoos. With this trend’s evolution, we can expect future breakthroughs in materials and techniques, enhancing their accessibility even further.

The next time you find yourself admiring the detailed nail art gracing your or someone else’s fingertips, take a moment to acknowledge the inventive prowess that breathes life into these designs. Tattoos are a remarkable testament to the fusion of creativity and scientific advancement within beauty and self-expression.

Referências

  1. Alberto Renzoni, Antonia Pirrera, Alessandra Lepri, Paolo Cammarata, Rita Molinaro and Alessandro Dalla Vedova. Medical tattooing, the new frontiers: a case of nail bed treatment (2017). — DOI: 10.4415/ANN_17_04_10

Formação de unhas em fetos em desenvolvimento

From Tiny Beginnings: The Fascinating Journey of Nail Formation in Developing Fetuses (A Fascinante Jornada da Formação das Unhas em Fetos em Desenvolvimento)

Ever wondered how those tiny fingernails and toenails come to be on a developing fetus? It’s a fascinating journey that begins long before birth. In this article, we’ll delve into the intricate process of nail formation in the womb. Get ready to be amazed by the hidden world of fetal nail development, where perplexity and burstiness intertwine to create these essential yet often overlooked appendages.

O projeto: Noções básicas sobre aparelhos para unhas

Before we dive into the fetal realm, let’s start with the basics. Nails, those handy protectors at the tips of our fingers and toes, serve a myriad of purposes. They shield our delicate digits, aid in everyday tasks, and even contribute to our sense of touch and dexterity. But how do they form in the first place?

The nail apparatus comprises the nail plate and several surrounding structures: the nail matrix, nail bed, proximal nail fold, and hiponíquio. Think of it as a complex construction project unfolding in the tiniest workshop imaginable. Each element plays a crucial role in crafting the final product – your nails.

O início da jornada: Formação das unhas fetais

Now, let’s step into the fetal world, where the magic of nail development unfolds. The story begins around the 8th week of gestation, when the first signs of nail formation make their appearance. This is the moment when cells start to differentiate, marking the beginning of a remarkable journey.

At this early stage, a rectangular thickening of the epithelium appears on the dorsal surface of the developing digits. It’s known as the “nail field,” bordered by four grooves. These grooves resemble arched borders, with each one continuing the adjacent one. The proximal groove, the deepest of them all, takes on a transverse direction, with the apex located toward the digit’s midline.

Surprisingly, fingernails seem to develop this feature as early as 7 weeks of gestation, while toenails are a bit more camera-shy and aren’t yet recognizable. The distal groove, shallow at this point, separates the nail field from the epidermis on the volar surface of the fingers.

A fase das unhas postiças

Around the 9th week, a remarkable transformation occurs. The nail field in the fingers enlarges and adopts a dome-like shape, raising the prominence of the proximal groove. It’s like the early stages of a construction project where the foundation is being set. Interestingly, this gives the nail complex a “clubbed nail” appearance, but don’t be fooled – this is just a transient phase.

Na 11ª semana, o campo ungueal dos dedos dos pés finalmente decide fazer sua estreia, com o equivalente ranhuras de pregos. Entretanto, as unhas dos pés adotam uma abordagem diferente, optando por um formato mais retangular, com o lado mais longo perpendicular à direção dos dedos. Aqui, os sulcos laterais da unha são notavelmente mais curtos do que o sulco proximal, especialmente nos dedos dos pés 2-5.

A complexidade crescente

As fetal development progresses, the nail field in fingers undergoes further changes. By the 12th week, the nail field’s height starts to decrease, and the proximal groove deepens and narrows. It’s as if the building is starting to take shape, with the walls of the nail matrix rising to create the foundation for the nail plate.

Around the 16th week, the nail plate finally emerges from beneath the proximal nail fold. It appears as a semi-circular, flat structure with a smooth surface. Proximal and parallel to the distal groove, a new feature emerges – the distal ridge. In this early stage, the ridge is somewhat inconspicuous, sporting a blunt border.

Enquanto isso, as unhas dos pés estão seguindo seu próprio cronograma. Com 18 semanas, a placa ungueal começa a se mostrar e a crista distal se torna perceptível. Ambas as estruturas das unhas dos pés se assemelham àquelas observadas no estágio de 12 semanas de desenvolvimento dos dedos.

Unhas adultas em formação

Avançando rapidamente para a 25ª semana, testemunhamos os estágios finais do desenvolvimento das unhas fetais. Nos dedos, a placa ungueal continua a crescer, assemelhando-se agora a uma estrutura arqueada que cobre aproximadamente metade do campo ungueal. A crista distal, que ganhou nitidez e altura, torna-se o ponto focal.

At this point, the distal groove widens and becomes shallower, while the lateral grooves are nearly concealed by the evolving nail plate. It’s as if the finishing touches are being added to our construction project, bringing us closer to the familiar adult-like nails we know.

Conclusão

A jornada da formação das unhas no feto é uma narrativa cativante de desenvolvimento, transformação e crescimento. Desde o aparecimento inicial do campo ungueal até o surgimento da placa ungueal e da crista distal, cada estágio é marcado por mudanças intrincadas que culminam na criação das nossas úteis unhas das mãos e dos pés.

So, the next time you admire your nails or help a newborn trim theirs, remember the incredible journey that took place long before birth – a journey filled with perplexity and burst

Entendendo as lâmpadas UV para unhas - uma visão geral abrangente

Since UV technology revolutionised our industry, we have long relied on UV nail lamps for curing various types of nail coatings. Yet, these devices, whether using fluorescent-style bulbs or LED diodes, still puzzle many nail professionals as they carry differences that are critical to understand. 

Let’s have a look if we can help shed some light on this matter, with nine important facts to consider about both fluorescent-style Lâmpadas UV para unhas e lâmpadas UV para unhas no estilo LED.

1. Lâmpadas UV: Entendendo a variação do bulbo na cura de unhas

   – Both styles of lamp cure gel products by producing UV energy. The main difference between both is how this energy is created. LED nail lamps use diodes as bulbs, whereas traditional models rely on fluorescent tubes.

2. Velocidade de cura e emissão de UV:

   – LED (which stands for ‘light emitting diode’) nail lamps produce higher levels of UV energy, which makes them much faster than the old fluorescent style lamps in curing nail coatings. They are the standard at the moment, as they are faster and consume less energy.

3. Comprimentos de onda e intensidade:

   – LED diodes emit fewer UV wavelengths (narrower spectrum of cure) but at higher intensities (faster), while fluorescent tubes produce numerous wavelengths (higher spectrum) at lower intensities (slower), resulting in different ranges of cure methods for UV gels. 

4. Eficiência energética vs. emissão de UV:

   – Surprisingly, LED-style UV nail lamps, despite their faster curing, operate at around 30% lower wattages, so it will save you in energy bills.

This is also great proof that wattage is not indicative of UV emission, as many seem to believe.

5. Riscos potenciais:

   – LED nail lamps, if used on UV gels formulated especially for fluorescent-style lamps, can overcure, which can lead to severe heat spikes, nail bed burns and plate separation, potentially causing infections or loss of the nail plate completely.

6. Entendendo a variação de intensidade em lâmpadas UV para unhas:

   – Different LED nail lamps can emit significantly different amounts of UV, suggesting that not all LED-style UV nail lamps are equal in UV emission. This is a very important point!!! As they produce a narrower spectrum of UV wavelengths, we can never use the same Lâmpada UV para curar todos os produtos, which is the same as saying that a universal lamp doesn’t exist!

7. Garantia de segurança:

   – Both fluorescent and LED nail lamps have undergone safety tests and are confirmed not to cause cancer, if used according to manufacturer’s guidance. 

 Os dois tipos de lâmpadas são mais seguros do que a exposição à luz solar natural, reduzindo os riscos associados à exposição aos raios UV. As lâmpadas para unhas produzem apenas raios UVA, que não são prejudiciais à pele se usados adequadamente.

8. Expectativa de vida:

   – Typically, both styles of nail lamps will deteriorate over time with usage and will require replacement after approximately three years of normal use.

Os diodos de LED não podem ser substituídos, o que significa que toda a máquina terá de ser substituída, enquanto os tubos fluorescentes geralmente precisam ser substituídos, em média, de 2 a 3 vezes por ano, portanto, ambos com custos adicionais de manutenção.

9. Calibração e compatibilidade com o fabricante:

    – As we mentioned above, manufacturers will tailor UV gels to work well with specific lamps, so there isn’t a universal gel compatible with all nail lamps, emphasizing the need for specificity in product selection.

Dominando as lâmpadas UV para unhas: Ciência, segurança e sucesso no salão de beleza

Os profissionais de salão de beleza devem entender as diferenças entre os dois estilos de lâmpadas para unhas e como elas promovem a cura do produto na placa ungueal. Esse conhecimento é fundamental para garantir a cura adequada, minimizar os riscos e maximizar a eficácia dos tratamentos de unhas.

Embora possa parecer um grande esforço, entender a ciência por trás do nosso trabalho é essencial. Isso garante que mantenhamos os mais altos padrões de segurança e profissionalismo, o que, por sua vez, leva a uma carreira longa e bem-sucedida.

Sistemas de imersão para uso doméstico

Muitas marcas estão surgindo com sistemas de imersão para uso doméstico! O que você pode dizer às clientes que estão pensando em comprar um em vez de usar os serviços de salão de beleza?

The Dip system is popular in the US and due to this something called ‘dip flu’ has been identified as a real issue.

This is about the vapours from the cyanoacrylate adhesive that is used instead of a Sistema de gel UV. This glue is used in the nail sector for sticking tips on. It can be dangerous as, if you spill some on your leg and you’re wearing jeans, for example, it creates an intense heat and can seriously burn the skin under the fabric.

Além disso, o pó que está sendo usado provavelmente é o pó usado em um sistema L&P and not powder specifically manufactured for this. Powders for L&P have peróxido de benzoíla in them and this is a known irritant and can cause painful skin irritations.

It is easy to do at home and many who try it will be tempted to use it on friends and relations. But they won’t understand the hygiene hazards of several people mergulhando no mesmo pote de pó.

Todos esses problemas são os mesmos para um profissional que usa esse sistema, mas todos eles devem ser abordados no treinamento, se for um bom curso!

Explique isso aos seus clientes e tente desencorajá-los a experimentar esse produto "faça você mesmo". Avise-os sobre os perigos e também inclua o fato de que, independentemente do que o marketing diz, leva um bom tempo para ser removido com acetona por isso, muitos recorrem à remoção, o que danifica as unhas por um longo tempo.

O papel do HEMA no setor de unhas

Bem-vindo à nossa minilição sobre HEMA no setor de unhas!

This lesson is aimed at all nail professionals, from beginners to advanced technicians, as well as nail enthusiasts who want to learn more about this important ingredient in nail products. Our goal is to explain the basics of HEMA sem sobrecarregá-lo com jargões técnicos, para que você possa entender melhor suas propriedades, benefícios e riscos potenciais.

We’ll cover what HEMA is, the chemistry behind it, its properties and benefits, examples of nail products that contain HEMA, e possíveis preocupações de segurança relacionadas ao seu uso. 

Então, o que é HEMA? 

HEMA or Hydroxyethyl Methacrylate (CAS# 868-77-9), is a monomer or simply put, a liquid ingredient that’s commonly used in the nail industry to create strong, durable and flexible nail products.

It works by bonding well with other ingredients in the product and with your natural nails. (HEMA adheres as well to a nail plate containing water or where surface water is present as a dry well prepped nail plate)

When the photo initiators in the product are exposed to UVA energy HEMA forms long polymer chains of molecules, which help create a strong and flexible solid material.

This means that when you apply a product with HEMA, it can create a smooth and even surface that’s less likely to chip or break. HEMA can also help the product stick and adhere better to your natural nails and resist lifting.
HEMA is a known allergen but when used correctly and professionally, it is safe at or below the recommended percentage of 35%. 

Alguns exemplos de produtos para unhas que podem conter HEMA include acrylic powders and liquids, gel polishes, and nail primers.

These products are made up of a mixture of different ingredients, including pigments, fragrances, and other additives, along with HEMA.

Entendendo os riscos e as precauções de segurança do uso de HEMA em produtos para unhas

Enquanto HEMA is an important ingredient in many nail products, it’s important to be aware of the potential risks associated with its use. Exposure to incorrect use of HEMA can lead to skin irritation, allergic reactions, and other health problems.

To minimize the risk of exposure for both you and your client, it’s important to follow proper safety precautions when working with all nail products. This includes wearing gloves, working in a well-ventilated area, and avoiding skin contact at all times. Additionally, it is advisable to ensure that the percentage of HEMA (hydroxyethyl methacrylate) in the products is 30% or, preferably, lower.

If you or your clients experience any signs of irritation or allergic reaction from using HEMA como vermelhidão, inchaço, bolhas ou coceira, pare de usar o produto imediatamente e procure atendimento médico, se necessário.

Regulatory guidelines related to HEMA use in nail products vary by country and region. In the United States, the Food and Drug Administration (FDA) regulates nail products and sets guidelines for the safe use of ingredients like hema. In Europe and the united kingdom, they have also established guidelines for the safe use of HEMA in nail products. Products containing HEMA are restricted to professional use only.

As a nail technician, it’s important to stay up-to-date with regulatory guidelines and to use HEMA containing products safely and responsibly. By following proper safety precautions and using products according to manufacturer instructions, you can help minimize the risk of exposure and keep yourself and your clients safe.

Declarações de ausência de HEMA e a presença de Di-HEMA

If a product is advertised as HEMA free, why does the label say that it contains Di-HEMA?
Essa é uma pergunta que recebemos com frequência no NailKnowledge. Portanto, vamos abordá-la aqui com um exemplo para colocá-la em contexto.
If a product contains DI-HEMA but is advertised as HEMA-FREE, it is because DI-HEMA is a similar ingredient but is structurally different from HEMA.

However, it’s important to note that some individuals who are sensitive or allergic to HEMA may also have a reaction to DI-HEMA, as it is still a type of methacrylate. So, it’s always important to read product labels carefully before using any new product, especially if you have a history of skin allergies or sensitivities.  There are many HEMA free products available on the market but be aware, if an individual develops an allergy to HEMA, it is very likely they are also allergic to other monomers. The only way of knowing is to have a dermatological patch test to identify the exact ingredient to avoid.

There are many HEMA free products available on the market but be aware, if an individual develops an allergy to HEMA, it is very likely they are also allergic to other monomers. The only way of knowing is to have a dermatological patch test to identify the exact ingredient to avoid.

Traçando paralelos: Entendendo o HEMA e o Di-HEMA

An example to compare the relationship between HEMA and DI-HEMA could be comparing the difference between skimmed milk and whole milk. Although both are types of milk, they have different properties and are produced differently.

O leite desnatado é produzido pela remoção do teor de gordura do leite integral, enquanto o leite integral contém toda a gordura que ocorre naturalmente no leite. Embora ambos os tipos de leite sejam brancos e líquidos, eles têm perfis nutricionais diferentes e podem ser usados de forma diferente na culinária e na panificação.

Similarly, while DI-HEMA is chemically related to HEMA, they are different ingredients with different properties and functions. It’s important to read product labels carefully and understand the specific ingredients included in a product before using it, just like it’s important to understand the difference between skimmed milk and whole milk when cooking or baking.

Concluindo: Entendendo o HEMA e um convite para se aprofundar mais

Isso conclui nossa mini-aula sobre HEMA, no setor de unhas. Esperamos que essas informações tenham sido úteis para que você entenda os fundamentos desse importante ingrediente dos produtos para unhas.

If you’re interested in diving deeper into the science behind nail products, we invite you to check out our “Essential Nail Professional” course. This course provides a more comprehensive exploration of the chemistry behind nail products, including the role of monomers, polymers, and HEMA. By enrolling in this course, you’ll gain a deeper understanding of the products you use every day and how to use them safely and effectively.

Obrigado por aprender com a Nail Knowledge e esperamos vê-lo on-line muito em breve!

Desmistificando as alergias às unhas

Entendendo as causas, os sintomas e o cuidado responsável

There is still a great deal of obvious confusion over nail allergies and what to do about them.

Buscando conselhos sobre alergias a unhas nas mídias sociais

Há inúmeras fotos no SM pedindo opiniões, embora muitos afirmem que não somos médicos e, portanto, não podemos diagnosticar. E aí?

If clients have been wearing nail coatings that are known to be allergenic and symptoms appear it doesn’t matter if they have had the same nail service for a long period of time with no reaction as it can take years for an immune response to occur. 

The only next step is to seek a medical diagnosis. Many general practitioners lack knowledge about common acrylate reactions, often dismissing them as fungal infections or prescribing antibiotics or steroid creams.

No one should take antibiotics unless necessary as the body can build up an immunity to them and they will not work when their use is urgent. Steroid creams can thin the skin and do not cure an allergic reaction.

Etapas essenciais para reações alérgicas e identificação de fungos

The definitive step to remedy an allergic reaction involves complete removal of the allergen, which, in this case, refers to the nail coating.

Para determinar se um sintoma é devido a uma infecção fúngica, o teste é o método essencial.

The only real answer to know what to do with a potential allergy is to have a dermatology patch test and one specifically for acrylates and methacrylates (which not all dermatologists are qualified to do!). If a GP refuses to refer the patient to a dermatologist, then they should be advised that the patient has had a known allergen such as a nail coating. Once this is done and results are received, the very specific ingredient can be avoided.

Teste de produtos sem HEMA para alergias nas unhas

It can be worth trying one nail with a HEMA-free product but the individual may, by that time, be allergic to many other acrylates or on the verge of becoming allergic. But if a client is insistent it can be done as long as the client agrees to return in one week to have it removed to see the condition of the nail plate and nail bed.

Teste prévio de alérgenos: Obrigatório antes da aplicação do revestimento de unhas

Until this testing has been carried out no coating should be applied. If it is then the nail professional is liable for causing any further damage and wide open to a liable action.

Quando ocorrer uma reação, o cliente deve ser incentivado a relatar o fato às Normas Comerciais por meio do Citizens Advice Bureau, e o profissional de unhas deve relatar o fato ao fabricante.

Prevenção de alergias às unhas: Cura adequada e segurança dos produtos para unhas

There are many known allergens used in nail products but they are allowed as the product must not touch the skin and must be properly cured. Please see all our information on a cura adequada e assista ao nosso vídeo sobre unhas Alergias e como elas ocorrempara entendê-lo melhor.

Navegando pelas reações de HEMA e monômero

It is not always HEMA that is the problem but reacting to HEMA can lead to reactions from other monomers.

É muito importante que todos os profissionais de unhas saibam o que fazer nessas circunstâncias, pois qualquer coisa que não seja isso não é profissional e expõe seus clientes a problemas e danos de longo prazo.

Aumente o nível de suas percepções sobre as unhas

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