Insulin, which moves sugar from the bloodstream into cells, is a peptide
This makes it safer and less likely to cause hyperpigmentation
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Because they serve different purposes, they can complement each other: Sermorelin supports hormone balance and recovery BPC-157 focuses on healing damaged tissues For example, someone whos training regularly but dealing with a lingering injury may benefit from both approaches, one supporting recovery overall, the other targeting the injury itself
Many people choose products containing GHK-Cu alongside ingredients such as niacinamide, hyaluronic acid and botanical extracts to create a balanced routine that supports healthier-looking skin without relying solely on stronger active ingredients