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
NIOD CAIS 1% 6 Week Update - YouTube
Got the Blues: NIOD CAIS Review & CAIS2 First Look – BeautyandtheCat's Beauty Blog