Keratin Keratin: a fibrous protein that makes up the structure of nails and hair.Bài viết liên quan: The Impact of Peel-Off Basecoats on Nail HealthMyth: External Application of Vitamins and Nutrients for Stronger, Healthier NailsDầu dưỡng móng có thực sự giúp móng mọc nhanh hơn không?Hiểu về chất làm cứng móng gốc polymerWhat is Breathable Nail Polish?