J. Wadstein, & E. Thom. (2013). A randomized, placebo-controlled doubleblind parallel group study in the Treatment of Aging Symptoms of the skin using Topical and Oral Treatments. Journal of Applied Cosmetology, 31(1/2), 31/40. Retrieved from https://scientificeditorial.com/index.php/JAC/article/view/A-randomized-placebo-controlled-doubleblind-parallel-group-study