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GHK-Cu shows meaningful evidence for hair benefits it extends the anagen (active growth) phase of hair follicles, increases dermal papilla cell activity, and may inhibit the follicle miniaturization signals that contribute to thinning hair

2006;12:BR36BR45

For skin whitening, changes may become noticeable within a few weeks to months

LASSO Copper Peptide & Tallow Moisturizer combines grass-fed beef tallow and GHK-Cu copper peptides into one simple daily moisturizer designed to deeply hydrate, nourish, and support healthier-looking skin

These rare genetic conditions prevent normal copper processing and could lead to accumulation

doi: 10.1021/acsnano.4c00162 138