Reviewers with mature-looking skin say they love the improvement in their skin’s appearance, but salicylic acid may irritate sensitive skinġ5% vitamin C serum contains L-ascorbic acid, which is the most potent kind of vitamin CĬomes in two separate vials you mix together to “activate” the vitamin C Reviewers report fading acne scars and improved appearance after a few applications Helpful for reducing the appearance of scars, but users with dry skin say it caused irritationĢ0% potency much higher concentration than most other available vitamin C serums Glycolic acid, a type of alpha hydroxy acid (AHA), can work well for hyperpigmentation but can sometimes be irritating to sensitive skin Murad Environmental Shield Vita-C Glycolic Brightening Serum Some reviewers say it smells great, but some find the citrus peppermint scent too strong L’Oreal Paris Revitalift 10% Vitamin C Concentrateġ0% vitamin C serum that users say is light and effective “Vitamin C has a number of clinically proven benefits,” she adds. “In serum form, vitamin C is an effective antioxidant that protects your skin from free radical damage, which can result in signs of aging,” says Melanie Palm, MD, board certified dermatologist and cosmetic surgeon at Art of Skin MD, in San Diego, California. When it comes to skin care, vitamin C serum is a popular antioxidant, or free radical fighter, if you will. In general, it’s essential that your diet includes beneficial antioxidants - coffee, berries, and green tea are a few excellent and delicious options. The result is a neutralized free radical that is less able to cause damage. In high numbers, they can break cells down over time, contributing to illness and aging.Īntioxidants help fight free radicals, though, keeping everything in balance.Īntioxidants can do this by supplying an electron to a free radical without destabilizing themselves. These natural molecules aren’t bad on their own, but they can become a problem when they build up. To understand how vitamin C works, you first have to understand free radicals.
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