![What Color Should my Vitamin C Serum Be?- Urban Skin Rx | Vitamin c serum, Serum, Hyperpigmentation treatment What Color Should my Vitamin C Serum Be?- Urban Skin Rx | Vitamin c serum, Serum, Hyperpigmentation treatment](https://i.pinimg.com/736x/9e/36/66/9e366695330714fb4a68f2323a55fe58.jpg)
What Color Should my Vitamin C Serum Be?- Urban Skin Rx | Vitamin c serum, Serum, Hyperpigmentation treatment
![product question] when is vitamin C considered too oxidized that it's harmful? Details in comments : r/SkincareAddiction product question] when is vitamin C considered too oxidized that it's harmful? Details in comments : r/SkincareAddiction](https://preview.redd.it/f8d6yyu5u6j51.jpg?auto=webp&s=a14991d8e61bb33ce38f7e5c5bed75bb5d77d7fe)
product question] when is vitamin C considered too oxidized that it's harmful? Details in comments : r/SkincareAddiction
![How bad is it to use oxidised Vitamin C product? When do you toss it out? [Product Question] : r/SkincareAddiction How bad is it to use oxidised Vitamin C product? When do you toss it out? [Product Question] : r/SkincareAddiction](https://preview.redd.it/o44doi719bvx.jpg?width=640&crop=smart&auto=webp&s=15ccb3f1278034c653739ac38f2e6e483ebad967)
How bad is it to use oxidised Vitamin C product? When do you toss it out? [Product Question] : r/SkincareAddiction
![PSA] Vitamin C serum - new vs oxidized. For anyone in doubt, here's what they look like! : r/SkincareAddiction PSA] Vitamin C serum - new vs oxidized. For anyone in doubt, here's what they look like! : r/SkincareAddiction](https://external-preview.redd.it/-G2I7m4LWioyEYHJsn9RdjIJjFcZUgKqni5s_cmkGLY.jpg?auto=webp&s=3068428e63b93e755e8a967f094ac688e69d5f5d)
PSA] Vitamin C serum - new vs oxidized. For anyone in doubt, here's what they look like! : r/SkincareAddiction
Q-Aesthetics Clinic - Vitamin C Serums - How to choose a good one? These factors are crucial: Stability of Vitamin C – Vitamin C (Ascorbic Acid) can be stabilised from oxidation by
![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
![Mai on Twitter: "Once your vitamin C serum oxidised it will no longer be effective......the period if I'm not mistaken is up to 4 months after opening until the vitamin C serum Mai on Twitter: "Once your vitamin C serum oxidised it will no longer be effective......the period if I'm not mistaken is up to 4 months after opening until the vitamin C serum](https://pbs.twimg.com/media/DVr3JYsU0AEmN4h.jpg)