vitamin c glutathione 25% + Clinical Serum for Brightening & Dark Spots Paula's Choice 25% Vitamin C

If androgenic miniaturization is your primary driver (which it is for most men and a significant portion of women with pattern hair loss), GHK-Cu alone is not sufficient

Cells were separated from muscle tissue debris by differential centrifugation and filtration (nylon cell strainers) prior to a final centrifugation step at 1500 x g for 3 min, then suspended in DMEM containing 10% normal horse serum (HS), 1% antibiotic-antimycotic mixture, and 0.5% gentamicin (DMEM-10% HS), and plated on poly-L-lysine and fibronectin-coated plates

2025 Jun 18:111614

The Gaps in Current Evidence There is a distinct lack of modern, large-scale, double-blind, placebo-controlled human trials proving that a 1% GHK-Cu serum visibly outperforms a standard moisturizer in healthy individuals over 12 months

Glutathione-infused body lotion : Daily, apply a glutathione-infused body lotion to your entire body or specific pigmented areas