Pure Vitamin C 21.5% Advanced Serum - BY WISHTREND | Wishtrend
![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")
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
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Picture of Old Vitamin C (Amber color) vs. new Vitamin C (pale yellow/clear).. Both OST C20 : r/AsianBeauty
![REVIEW] Pixi Vitamin C Serum - CLAY+essence](http://clayandessence.com/wp-content/uploads/2019/08/pixivitamincserum10.jpg "REVIEW] Pixi Vitamin C Serum - CLAY+essence")
REVIEW] Pixi Vitamin C Serum - CLAY+essence
What colour is your vitamin c serum? - WHITE WILLOW MEDI SPA
![Product Question] Drunk Elephant Vitamin C-Firma came in and it's Orange. Is this normal color or is it oxidized? : r/SkincareAddiction](https://i.redd.it/ekw8clmkkgjz.jpg "Product Question] Drunk Elephant Vitamin C-Firma came in and it's Orange. Is this normal color or is it oxidized? : r/SkincareAddiction")
Product Question] Drunk Elephant Vitamin C-Firma came in and it's Orange. Is this normal color or is it oxidized? : r/SkincareAddiction
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![Product question] just got my mad hippie vitamin c serum, is this colour normal? Exp date is in 2021 : r/SkincareAddiction](https://preview.redd.it/f7qjvujt7wf21.jpg?auto=webp&s=eeba959fbd9908f4c41ca5f54cb86b89d34c42ff "Product question] just got my mad hippie vitamin c serum, is this colour normal? Exp date is in 2021 : r/SkincareAddiction")