* 4week clinical study of 20 people.
** 12-week independent clinical study of 30 people, comparing the performance of the ingredient Ceramide NP at 0.2% vs a placebo formulation.
* 4week clinical study of 20 people. ** 12-week independent clinical study of 30 people, comparing the performance of the ingredient Ceramide NP at 0.2% vs a placebo formulation.