SKINHI and Watt-Ahh — Unlocking the Healing Power of GHK-Cu Copper Peptides in Skin Care and Regeneration
October 1, 2025 – We knew early on that Watt-Ahh is a phenomenal healing topical ingredient in cosmetics. One of the earliest studies, conducted by a formulation consultant for Estée Lauder, confirmed its anti-wrinkle benefits (see details below). Recently, formulator Ariel Avadi is using Watt-Ahh in his SKINHI line of therapeutic toners and serums—taking skin …