The clean & strong range is a perfect match for all those who want a natural look and a clear conscience when it comes to their manicure. The formula of the seven trendy, wearable nail polishes in the clean & strong range noticeably strengthens nails in just one week* with 86% natural ingredients.
*Self-assessment of 50 women. Application 2x per week. 74% confirm harder and stronger nails in 1 week.