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EN Translate: EN Signed in as: [email protected] Account Sign out Vitamin B12 is a nutrient that helps keep the body's nerve and blood cells healthy and helps make DNA, the genetic material in all cells

A 2022 study in the Journal of Cosmetic Dermatology found that subjects who applied L-ascorbic acid followed immediately by GHK-Cu experienced 40% higher transepidermal water loss (TEWL) and delayed barrier recovery compared to those who separated application by eight hours or more

A common question in the Matrixyl vs GHK-Cu discussion is whether researchers can stack these two compounds

doi: 10.1016/S0140-6736(23)01185-6

This synthetic peptide is derived from a partial sequence of a naturally occurring protein in gastric juice