Be careful when layering Vitamin C serum with other acidic products. Vitamin C isn’t pH-compatible with retinol, and both are ineffective when worn together. Plus combining vitamin C with AHAs (alpha hydroxy acid) can be extremely irritating to the skin.
so true..thanks for the reminder! I’ve read about this before!
hmmmmmm….mebbe this is why TBS vit c serum nv works for me? 🙁
Gosh!
I must remember this! I dowanna spend a fortune and end up using wrongly and then i get no results! >_<
Thankiez dear!
cheers,
plue