7 Skin Care Ingredients You Should Never Mix, According to Derms

If you're new to skin care, all the ingredient talk can get overwhelming. Let's review: Retinol is good for discoloration and elasticity, AHAs will leave your complexion glowing, and BHAs will keep your pores clear. Then there's also superstar ingredients like niacinamide, vitamin C, SPF and more to consider...

So yes, all these ingredients are great on their own, but are they okay to mix? Can you put on an AHA mask after you apply your vitamin C serum? Should you use your retinol night cream after using your salicylic acid face wash?

To answer your questions (and assuage your fears), we tapped two board-certified dermatologists to break down all the pairings you'll want to avoid altogether. So, from vitamin C and retinol, to sunscreen and makeup, below are seven skin care ingredients you shouldn't mix, according to dermatologists.

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