Many expert-approved picks, like Prequel’s Lucent-C Vitamin C Facial serum and the e.l.f. Cosmetics Bright Icon Vitamin C + E + Ferulic serum, are available for under $25.

Vitamin C is a crucial antioxidant in skincare, recognized for brightening skin, protecting against environmental damage, ...

Vitamin C triggers skin cell renewal by activating dormant growth genes * It thickens the skin by supporting DNA ...

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The Timeless Skin Care 20% Vitamin C + E Ferulic Acid Serum brightens and smoothes skin while reducing wrinkles. It’s comparable to higher-end alternatives, and you can shop it for $26 at Amazon.

Popular in skincare products, vitamin C supports skin regeneration at the molecular level.

Elf Cosmetics announced a new vitamin C serum earlier this month that Dobos said appeared to be positioned as a direct competitor to C E Ferulic, for a 91% lower price.

Experts agree that while you don't have to spend three figures on your products, some higher-priced items have value.

In addition to SF 45 and five forms of vitamin C, the fresh foundation features ingredients like vitamin B3 and vitamin E. What’s more, Clinique claims the formula is non-streaking and non-settling.