Clinical Trial Protocol
Researchers used the gold standard of clinical trial protocols, randomized, double-blind, placebo-controlled, parallel group. This is the same protocol that the US government requires the pharmaceutical companies to use. It ensures accuracy and repeatable results.
For skin and nails, participants were all healthy women in their 40’s, 50’s and 60’s who showed clear signs of sun-damaged skin on top of natural- aged skin. That meant skin wrinkles, sagging skin, and loss of skin elasticity caused by decreased collagen, a degraded collagen “mesh” and degraded elastin. These women were chosen because over time the changes caused by the sun would occur naturally. For hair, the participants were all women between the ages of 18 and 65 who all showed signs of weak, thinning, dull hair. The large cross section of ages eliminated the possibility of strictly age-re.