You definitely want a concentration that’s higher than 8 percent for maximum effectiveness. Make sure this good-guy ingredient is close to the top of the label, ideally as one of the first five ingredients.Ĭoncentration: The sweet spot for the concentration level is between 10 and 20 percent. An older study comparing common vitamin C derivatives with L-ascorbic acid didn’t show an increase in absorption. Always use SPF with vitamin CĪlthough vitamin C serum isn’t a substitute for sunscreen (in fact, sun sensitivity increases with use), the two together can work in tandem to boost the skin’s protection from damage.įorm: Vitamin C can appear on the ingredient label as several different names, but the one you want is L-ascorbic acid, which is the most effective. It’s been found that topical vitamin C is best applied after exposure to UV light and not prior. This can be achieved by applying every eight hours.Īlso, UV light lowers the skin’s vitamin C levels. Vitamin C’s protection and free radical-fighting prowess eventually wears off, but you can build up a reservoir for adequate photoprotection. ![]() Unlike sunscreen, moisturizers, or oils, vitamin C can’t be wiped or washed off that easily. Think car exhaust, cigarette smoke, certain chemicals, even booze and overprocessed foods.īut don’t worry if you skip an application. ![]() ![]() Vitamin C has photoprotective properties and staves off oxidative stress from the free radicals we meet throughout our day. One study even recommends applying a vitamin C serum every eight hours, or twice daily for the pinnacle of protection. If you’re wondering when to apply a vitamin C serum, the answer is both morning and night, after cleansing and toning.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |