The Pro’Expert Nail Repair Care is a concentrated care, which protects, nourishes and repairs soft, thin and split nails.*Its actions reinforces, thickens and moisturizes the nail.Nail hardener: nails are stronger, thicker and more resistant:+ 7.2% from 1 month use,+10.9% from 4 months use.Anti-ridges: fills the nails irregularities.Protector : Protects the nail’s surface while stimulating the nail’s keratin production – keratin reinforces and fortifies the nail’s structure.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.*Clinically tested: user test caried on under dermatological control on 20 volunteers applying the product every two days for 4 weeks.