GHK-Cu and similar peptides produce measurable improvements in skin thickness, hydration, and elasticity, but whether that justifies ongoing expense is personal
Niacinamide helps regulate excess sebum production without drying the skin, helping balance oil while supporting the skin barrier
doi: 10.1093/jxb/erae143 31 Da SilvaL
Clinical trials show oral glutathione at 500mg doses reduces melanin index when taken consistently for 8-12 weeks
Kutahyalioglu M, Nguyen HT, Kwatampora L, Clarke C, Silva A, Ibrahim E, Waguespack SG, Cabanillas ME, Jimenez C, Hu MI, Sherman SI, Kopetz S, Broaddus R, Dadu R, Wanland K, Williams M, Zafereo ME , Perrier N, Busaidy NL
M., & Strekalova, T