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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
Researchers have observed it helping torn Achilles tendons heal and broken bones mend more effectively in rats
This comparison highlights the fine lines and the overarching principles WADA employs
Note: Each injection volume stays well within a single 100-unit insulin syringe
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