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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
Attaining a high encapsulation efficiency is essential for a successful drug delivery
The slope of the linear regression line for the DSIP-treated group was significantly different from zero, indicating a steady and significant increase in fall latency over the 21 days of testing
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