According to our experts, the vitamin C type will also determine its effectiveness. Pure vitamin C, known as L ascorbic acid, ...

smstew I'm a huge Sunday Riley lover and it's not surprising to me that this serum is a fan favorite. This powerful and high-quality vitamin C serum was specifically formulated to target dark spots, ...

Why We Love It: This vitamin C serum did more than brighten skin—it ... looking dropper because the slim nozzle made it easy to target areas with discoloration and avoid a messy application.

This may be one of the best vitamin C serum for dry skin as it claims to target dark spots, pigmentation, and uneven skin tone, while also improving skin texture and elasticity. Skin type ...

For a vitamin C serum to be effective, dermatologists say there are a few key things to consider: Want more from NBC Select? Sign up for our newsletter, The Selection, and shop smarter.

Sofie Pavitt is NYC's acne whisperer, and her award-winning mandelic acid serum is a must-try if you're dealing with clogged pores or acne. The Cosmo beauty team is collectively obsessed with how well ...