The Sensitive Nail Repare Care Pro’Expert is a concentrated treatment that repairs, strengthens and protects soft, thin, brittle and split nails.Nails are stronger, more resistant and visibly more beautiful after 2 weeks*.- Silicon: strengthens nails.- Patented plasticizer: adhesion, shine, hardness.- Celery root extract: resistance.- Glycolic acid (AHA): the nail is smoothed and recovers faster.The rounded, extra-flat brush moulds perfectly to the shape of the nail, adapting to the width of the nail for easy, trace-free application.*User test carried out under dermatological control on 20 volunteers for 4 weeks with one application every day.