NIOD Copper Amino Isolate Serum 3 1:1 (CAIS3) Best copper isolate serum Photo by Innerbody Research Pros Star ingredients are GHK-Cu and GHK Product pH is mildly acidic (5.7-6.7) Vegan and cruelty-free Free of alcohol, oil, silicone, and gluten Available in two sizes: 15mL and 30mL Packaged very nicely Free shipping on orders over $25 Products can be returned up to 365 days after purchase Cons No subscription option (or discount) available Full potential benefits may require additional products from Core Regimen line Very strong, unpleasant smell On the expensive side compared to our other picks Though it may not be as well-known as The Ordinary, NIOD (Non-Invasive Options in Dermal Science) has the same parent company, DECIEM
Once a day, lightly apply Smoothing & Soothing Skin Serum on any area of concern
What it lacks is the thing the word clinical demands: robust, replicated, controlled human trials showing that GHK-Cu by itself regrows or meaningfully thickens hair
The smaller effect of siRNA#2 could be attributed to the lower knockdown efficiency toward the end of the cadmium treatment period, as shown by qRT-PCR (Fig S4F)
GHK-Cu and Pal-GHK are metal complex and palmitoylated derivatives of GHK, respectively
In this study, glutathione was provided in supplement form in a dose of 300 milligrams per day for four months