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With a proven retinoid (tretinoin), a regenerative copper peptide (GHK-Cu), and a lineup of ingredients that boost hydration, restore the skin barrier, and combat pigmentation and oxidative stress, this is one of the most comprehensive, targeted serums Ive seen
What is the source of the glycerin used in the product? The glycerin is derived from palm fruit oil, not palm kernel oil
Who is GHK-Cu for
the doses were escalated every 4 weeks starting from 0.25 mg to 0.5 mg, 1.0 mg, and 1.7 mg until a dose of 2.4 mg was met and maintained for the remaining 16 weeks
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