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Introduction to Nail Conditions

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Introduction to Nail Conditions

Nail Conditions


Welcome to NailKnowledge’s Common Nail Conditions. This guide and information should be used for reference when you are faced with unhealthy-looking skin or nails.

REMEMBER – as a Nail Technicians you shouldn’t diagnose, provide advice on unhealthy nails or try and treat such conditions, unless specifically trained, experienced and insured to do so.

The importance of understanding nail and skin conditions

As a nail professional being able to recognise unhealthy nail and skin conditions, is important, as you need to know when a client should be referred to a medical professional, or when you can or cannot work on the skin and nails.

Recognising unhealthy nail and skin conditions is different from diagnosing. There are some adverse conditions that may just need an adjustment to the service or treatment. If you are unsure then leave the diagnosis to the medical profession

Nail and skin conditions covered include:

Conditions involving White Spots:

White Superficial Onychomycosis


Conditions involving Fungal Infections:

White Superficial Onychomycosis


Conditions involving Ridges:

Nail Ridges
Beaus Lines

Conditions caused by clients/external trauma:

Bruised nail
Nail Biting
Ingrown Nail

Conditions which involves dry nails:

Lamellar Dystrophy


Conditions caused by systemic disease:

Splinter Haemorrhages
Nail Clubbing

Conditions involving bacterial infections:

  Chloronychi / green nails 

Conditions involving nail separation:



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