ghk cu hair growth clinical trial topical GHK-Cu for growthβ¦ does it actually work?π€ Short answer: no. GHK-Cu can be great for skin β but when it comes to hair growth, the evidence just isn't there. And this Cu helps with tissue repair and collagen care Copper Peptides For Hair Growth
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When in doubt, see a dermatologist

Its less painful, plus SQ injection sites are more accessible

When adverse reactions do occur, theyre often the result of a problematic substance in the product, for example carboxymethyl cellulose, mannitol, or benzyl alcohol

The clinical presentation of these different agents is largely indistinguishable (especially initially)
