Yang Y, Hahn JH, Kim MS, Jo M, Lee YP, Kim H
Users and researchers have documented effects across several domains of health and performance, though it bears mentioning that much of this evidence comes from animal studies, small human trials, or anecdotal reports rather than large-scale clinical trials
For baseline protocols in untrained subjects, it's overkill
She also notes that the other ingredients are mostly for hyperpigmentation or to reduce scarring, while the phenol is in there for a slightly numbing effect
Venkatramanan, S., Armata, I
This is a cosmetic raw material for formulators