![product question] is this oxidized? It has been this color since I first opened it but it looks pretty dark? Ok to use? : r/SkincareAddiction product question] is this oxidized? It has been this color since I first opened it but it looks pretty dark? Ok to use? : r/SkincareAddiction](https://i.redd.it/product-question-is-this-oxidized-it-has-been-this-color-v0-pejbu25gtv6a1.jpg?width=3024&format=pjpg&auto=webp&s=bc8b4aa4d94bf32968fa2bd3a372fc43dd0af1a1)
product question] is this oxidized? It has been this color since I first opened it but it looks pretty dark? Ok to use? : r/SkincareAddiction
![product question] is this oxidized? It has been this color since I first opened it but it looks pretty dark? Ok to use? : r/SkincareAddiction product question] is this oxidized? It has been this color since I first opened it but it looks pretty dark? Ok to use? : r/SkincareAddiction](https://i.redd.it/product-question-is-this-oxidized-it-has-been-this-color-v0-n5jfq25gtv6a1.jpg?width=3024&format=pjpg&auto=webp&s=c53685dc976afea007c7474d3a241ce32479f8e1)
product question] is this oxidized? It has been this color since I first opened it but it looks pretty dark? Ok to use? : r/SkincareAddiction
Is your vitamin C serum no good? 🧐 #BanishPartner So many brands dye their vitamin C serums orange to hide the oxidation, so you can’t tell how long it’s been sitting on a shelf or how long ago it was ...
![Mixed reviews regarding the colour of oxidation of Minimalist Vit C + Ferulic Acid. Should i discard this? : r/IndianSkincareAddicts Mixed reviews regarding the colour of oxidation of Minimalist Vit C + Ferulic Acid. Should i discard this? : r/IndianSkincareAddicts](https://preview.redd.it/mixed-reviews-regarding-the-colour-of-oxidation-of-v0-g38gz64d05ja1.png?width=640&crop=smart&auto=webp&s=f5fc2b53312957dac468b943080c9685a50fc38e)
Mixed reviews regarding the colour of oxidation of Minimalist Vit C + Ferulic Acid. Should i discard this? : r/IndianSkincareAddicts
![Retention of vitamin C in (a) Vitabrid-C and (b) pure vitamin C (sodium... | Download Scientific Diagram Retention of vitamin C in (a) Vitabrid-C and (b) pure vitamin C (sodium... | Download Scientific Diagram](https://www.researchgate.net/publication/265037632/figure/fig1/AS:668918171578369@1536493928026/Retention-of-vitamin-C-in-a-Vitabrid-C-and-b-pure-vitamin-C-sodium-L-ascorbate-at.png)