CYP7A1 is the rate-limiting enzyme in converting cholesterol to bile acids, and LXRs, which function as cholesterol sensors, increase Cyp7a1 expression in response to acute cholesterol intake in mice [2,33]
Commonly used in skincare, GHK-Cu supports firmer, smoother skin and scalp health by stimulating tissue remodeling and cellular repair
However, as with any active ingredient, its best to introduce it gradually and monitor your skins response
PMID: 20008624
Supplied as a lyophilized powder, this research material supports controlled evaluation of peptide stability, molecular interactions, and signaling mechanisms in experimental model systems
[DOI] [PubMed] [Google Scholar] 94.Liu CY, Wang M, Yu HM, Han FX, Wu QS, Cai XJ, Kurihara H, Chen YX, Li YF, He RR