Medik8 C-Tetra Advanced Gel-Serum is a gentle vitamin C serum with exosomes to help brighten skin and fade visible signs of aging like fine lines. An InStyle writer swears by this brightening $72 ...

Skin experts agree that vitamin C is one of the best skincare ingredients you can add to your routine, proven to be effective at brightening and evening the skin, defending against future damage ...

Of course, other factors may have influenced this result, but I'm over the moon to have finally found a high-performance vitamin C serum that suits my skin.

Oily skin doesn’t mean skipping moisture. These Vitamin C lotions are lightweight, fast-absorbing, and made to leave you glowing, not greasy.

What to know? The SkinCeuticals C E Ferulic is $182 — an item that many anti-aging enthusiasts would vouch for being worth the investment — and the new e.l.f. SKIN serum is only $16.

Celebs like Kyle Richards and Khloé Kardashian use TruSkin Vitamin C Facial Serum, and the brand just launched a sunscreen version with SPF 30 on Amazon.

TruSkin’s vitamin C facial serum has earned rave reviews from stars like Kyle Richards over the years — and for just a matter of hours, it’s 56% off at Amazon’s massive Summer Beauty Event.

For the April 23, 2025, edition of the Beauty Brief, the writers share their favorite vitamin C serums from Sunday Riley, Clinique, Skinceuticals, and more.

Advice about when to use vitamin C serum, what other ingredients to avoid when using vitamin C, and more, according to a dermatologist. Plus, shop products.

I Ditched My $150 Vitamin C Serum for a $19 Amazon Find—Now Everyone's Asking About My Skin It’s brightening, smoothing, and on sale—what are you waiting for?