glutathione dark circles Brightening & Hydrating Serum for and Eyelids with 1% Whitening Peptide, 0.5% Tranexamic Acid, and EYE SEE NO SPOTS Full article: Efficacy and safety

This is also why GHK-Cu appears frequently in longevity-adjacent research alongside other compounds studied for age-related cellular changes, since a quantifiable, age-correlated decline gives researchers a concrete variable to test against rather than a purely theoretical one

Although adverse reactions to intravenous, intramuscular or subcutaneous injection of 0.9% benzyl alcohol are not known to occur in man, experimental studies of small volume parenteral preparations containing 0.9% benzyl alcohol in several species of animals have indicated that an estimated intravenous dose up to 30 mL may be safely given to an adult without toxic effects

Non-comedogenic- suitable for even sensitive skin

Brigelius-Flohe R, Kipp A