Can I Dump Vitamin C Serum? Common Mistakes and Best Practices
Many people ask, “can I dump vitamin C serum?” — usually because it has oxidized, changed color, caused irritation, or simply doesn’t seem to work anymore. Vitamin C is a powerful skincare ingredient, but it’s also notoriously unstable. If it’s not stored properly or has expired, dumping your vitamin C serum may be the safest choice. … Read more