It made my skin get firm overnight and lasts for a few days at a time. Dosage is now every 2-4 days overnight

I tried keratin applied topically as a personal experiment for hair growth and hair quality. I did not record a clear or reliable outcome, so this result remains uncertain and anecdotal.

I tried NMN applied topically with DMSO as a personal experiment for facial lines and wrinkles. I did not record a clear or reliable outcome, so this result remains uncertain and anecdotal.

Biotin topically made my hair soft but seemed to make hair growth from topical castor oil no longer occur.