Currently working on this. (Yes I know, but I don't live in the USA so I don't worry about the FDA.)
Looking for input from anyone else with an interest in SK. I have a candidate compound which shows promise: DMAE Tartrate. A 3% cream appears to have a discernible result. I'm thinking of adding urea to the mix, not sure what percentage of urea to use ... I don't want pH drift problems.
Design of anti-aging creams, gels, and serums; shampoos; and therapeutic cosmetics. In-house label and box design capability.