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Although vitamin C is more effective at reducing overall redness, some people say it can help alleviate discoloration associated with under-eye circles. They work to stimulate collagen, lighten dark spots, and protect against sun damage," Madfes tells Byrdie. "They're also great for fine lines, melasma, and rosacea."
According to Dr. Herrmann, you should apply vitamin C serum either daily or every other day, depending on your routine and the result you want. If you already alternate several other actives, you might apply it every other day; if you’re looking to dramatically fade hyperpigmentation, you may want to use it daily. Given its effects on sunburn, it should be no surprise that topical vitamin C application can speed up overall wound healing. Healthy wound healing reduces your risk of inflammation, infection, and scarring. This is a great option if you have acne-prone skin. We appreciated that the serum had a lightweight texture that didn’t feel greasy on our already oily skin, and we noticed that after a few weeks of using it, our post-acne marks were visibly reduced. Al-Niaimi, F et al. (2017). Topical vitamin C and the skin: Mechanisms of action and clinical applications.Keen MA, Hassan I. Vitamin E in dermatology. Indian Dermatol Online J. 2016;7(4):311-315. doi:10.4103/2229-5178.185494
The combined reduction of dark spots, redness, and irritation makes for a clear, smooth skin tone. 5. It helps fade hyperpigmentation If you have sensitive skin, then you know how important it is to find products that are gentle but effective. This one is just that, and we loved it. Not to mention, tons of our Byrdie readers adore it, too. The product was really comfortable on sensitive and acne-prone skin. While it took about 30 seconds to dry, which is slightly longer than some other options, it dried down to a moisturizing and non-greasy finish. We even noted that we could get away without applying a moisturizer on top of it and our skin still felt hydrated. Another bonus? It didn’t clog our pores.
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According to a 2019 study, an antipollution, antioxidant serum containing Deschampsia antarctica extract, ferulic acid, and vitamin C reduced TEWL by 19 percent, improving the skin barrier function. 3. It’s brightening Additionally, vitamin C plays a role in collagen synthesis by enhancing the collagen “gene expression” and overall regulation of collagen synthesis. Scurvy, as mentioned above, is due to impaired collagen synthesis — or the result of too little vitamin C. While scurvy is not heard of as much today, it brings awareness to the power of a DIY vitamin C serum for the skin and the importance of collagen support. ( 4)