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The most commonly sought benefit is a more even, radiant complexion, though many patients report improvements in energy levels and overall well-being after completing a treatment series
Not broken
Blindly Stacking Multiple Strong Actives: Combining GHK-Cu with certain potent ingredients like high concentrations of Vitamin C, AHAs/BHAs, or strong retinoids without proper knowledge can lead to irritation or reduced efficacy
Journal of Cosmetic Science , 60(4), 377385
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