The Ordinary - Hi :-) CAIS is NIOD's Copper Amino Isolate Serum. It contains GHK peptides bound to copper which is known as copper peptides (GHK-Cu) that are found in our plasma
Deciem NIOD CAIS 1.00% review — Laura Loukola
DECIEM | NIOD Review and Slowvember Sale Picks | Danielle's Beauty Blog
Why NIOD copper amino isolate serum 2-1 is worth trying
Got the Blues: NIOD CAIS Review & CAIS2 First Look – BeautyandtheCat's Beauty Blog
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The serum that changed my skin
Product question] My Deciem Niod copper serum (CAIS 2:1) turned dark gray, is it safe to continue using it? (I still have the full bottle of it 😱😭) : r/SkincareAddiction