THE POWER OF DIAMANT FOR YOUR NAILS.Diamond powder, known for its hardness and resistance, is the key ingredient in PRO’DIAMANT Nail Repair Care.In addition to its strengthening properties, it also provides unparalleled shine and natural brilliance to nails.Nails are stronger, more resistant and visibility more beautiful.**Use test carried out under dermatological control on 20 subjects for 4 weeks with an application every 2 days.