Despite its efficacy, vitamin C is notoriously unstable and can quickly go from a hyperpigmentation-zapping wonder ingredient to a $60 bottle of smelly serum. That’s why it’s important to find ...

“It's ideal for it to be housed in an opaque, airless tube or an opaque, glass bottle with a dropper." For extra insurance, keep your vitamin C serum in a cool, dark place (a.k.a. not your ...

Thousands of Amazon shoppers and a PEOPLE editor’s 56-year-old mom swear by the $35 Vichy Vitamin C Serum. This serum ...

“It spreads so well on my skin, and the pump bottle makes it easy to control how much serum I’m using at one time.” The serum is formulated with two types of vitamin C — ascorbyl glucoside ...

TruSkin Vitamin C Serum, has become massively popular on Amazon with over 97,000 five-star reviews. And right now, it's down to $21 (from $49) for a generously sized 2 oz. bottle. Designed to ...

But not all vitamin C serums are created equal—and ... with oily skin swears the pick is “magic in a bottle,” writing: “I love this serum, it’s so lightweight and absorbs into the ...

Not strictly just a vitamin C serum, but marketed as such ... Although, as it’s a squeezy bottle, we did find it tricky to control the amount that comes out, so remember slow and steady is ...

Pound the alarm, grab your credit card — do whatever you have to do to make sure you grab the TruSkin Vitamin C Serum in time. After reviewing dozens of these brightening boosters throughout the ...

The downside is the price, but it took six months of (near) daily use to finish the bottle, so if you can take a cost-per-use approach, the price is easier to justify. This vitamin C serum sells ...

I went on a quest to find one serum that would deliver on all my wishes. I needed hydration, antioxidant protection and ...