My Vitamin C Serum Has Turned Brown! Can I Still Use it?
What’s that yellow tinge in my serum? I swear it wasn’t there yesterday. What’s going on?! Yep, your vitamin C serum is a magician. It can change colour and go from clear to yellow all the way to brown. Ain’t that cool? Not really. That’s Vitamin C’s way of warning you it’s stopped working. Oops! […]