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 😱ðŸ˜) : r/SkincareAddiction
The serum that changed my skin
Review: Niod Copper Amino Isolate Serum 2:1 (CAIS2) - Belleza con K
NIOD Cail 1%, the secret to glowing skin? (A Review) - twindly beauty blog
Got the Blues: NIOD CAIS Review & CAIS2 First Look – BeautyandtheCat's Beauty Blog
Why NIOD copper amino isolate serum 2-1 is worth trying
Amazon.com: NIOD Copper Amino Isolate Serum 1.00% - 0.5 Oz : Beauty & Personal Care