ghk-cu topical benefits and Tretinoin/Niacinamide: Powerful Individual Tools for Healthier, More Youthful Skin — Affinity Whole Health GHK-Cu Peptides Before and After:

Acta Poloniae Pharmaceutica

50% for vitamin C and 40% for tretinoin), without the irritation or photosensitivity that retinoids commonly cause

However, the irradiated fibroblasts treated with GHK showed much faster growth that was similar to the normal (non-irradiated control cells)

Even though the exact mechanism of GHK's action is yet to be elucidated, it becomes apparent that the diverse and multiple effects of GHK in skin regeneration can be better understood through its ability to reset the gene pattern back to a healthier state, thereby leading to the activation or deactivation of various cellular pathways

**In a consumer study of 103 women after 28 days