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This is particularly true when copper peptides are combined with exfoliating acids or retinoids , which can compromise the skin barrier
Mallika Marshall
In a comparative study using thigh skin in women with aged skin, participants applied topical GHK-Cu alongside vitamin C and retinoic acid over 12 weeks, with collagen improvement measured through biopsy-based markers
Reynolds, J
Importance of a Healthy Immune System A strong immune system is the bodys defence against illness and infection
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