![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
![Foxtale says that their Vitamin C is effective till it turns very dark but I've read (probably on this sub only) that we should discontinue use right when colour starts changing. My Foxtale says that their Vitamin C is effective till it turns very dark but I've read (probably on this sub only) that we should discontinue use right when colour starts changing. My](https://preview.redd.it/foxtale-says-that-their-vitamin-c-is-effective-till-it-v0-7tpys35gk4ja1.jpg?width=640&crop=smart&auto=webp&s=aeabe21f7f88efb2ba6e76a3c20f51ee37860f49)
Foxtale says that their Vitamin C is effective till it turns very dark but I've read (probably on this sub only) that we should discontinue use right when colour starts changing. My
![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)