![]() "Vitamin C is notoriously unstable," Robert Finney, a board-certified dermatologist at Entière Dermatology in NYC tells. Vitamin C derivatives in skincare can be finicky, and not just any ordinary serum will deliver the kind of results you're after. The ultra-popular antioxidant protects skin from free radicals (like UV rays and pollution), stimulates collagen production, and reduces the appearance of hyperpigmentation by inhibiting melanin, revealing glowy, bright skin. In the Women's Health Lab, our pros used a VISIA Skin Analysis machine to measure any differences in skin pigmentation and redness before and after use.If you're looking to brighten up your skin's complexion, you're going to want to begin with the application of one of the best vitamin C serums. They fed back on each product’s texture, ease of use, packaging design and, of course, performance. Our panel of over 270 beauty testers tried 18 products for four weeks, looking for improvements in skin pigmentation and a renewed sense of radiance. ![]() Our experts have sifted through a sea of vit C serums to find their A* formulations. On the flip side, Dr Shotter notes that vitamin C works even better in conjunction with other antioxidants such as vitamin E. 'For example, acne treatment benzoyl peroxide can oxidise vitamin C and, even though you may not see a reaction, it would potentially reduce its effectiveness.' 'Vitamin C is an acid in its own right, and the two acids could change each other’s properties and performance, as well as causing irritation,' she says. Do this after cleansing and toning, but before applying anything creamy in texture, so that it can sink into your skin more readily.ĭr Shotter advises against mixing vitamin C with skincare acids such as AHAs and BHAs. To apply your chosen serum, dab small amounts over your cheeks, forehead, chin and nose before massaging it in with your fingertips. 'However, I suggest those with sensitive skin build up their tolerance by using it on alternate days at first.' 'Vitamin C will work synergistically with your sunscreen to improve your skin’s protection from sunlight,' explains Dr Shotter. Go for it! But maximise its benefits by applying it in the morning - that way it can protect against those pesky free radicals when you're out and about, and form a power couple with your SPF. 'Vitamin C is acidic in pH, so it can tingle, but if it's burning then the formulation is probably too strong for your skin type.' Is it OK to use vitamin C serum every day? 'Research suggests there is no additional benefit to using higher percentages than this,' says Dr Shotter. The average skin type can benefit from 10-15%.Sensitive skin may only need a 5% formulation.Here's a guide to help you find your level. The acidity of vitamin C may irritate sensitive skin, so start with a low percentage serum and build up (the same applies to beginners). Is vitamin C serum suitable for sensitive skin? Some brands suggest storing their serums in the fridge to prolong their shelf life, but always read the label. Take note of its packaging, too - recyclable is always a good thing, but most importantly, the bottles should be dark and airless to keep the formula from reacting to light and oxygen. 'L-ascorbic acid is the most active, effective form of vitamin C and is the one I'd look for in the ingredients list,' says Dr Shotter. How do I choose a good vitamin C serum?īefore buying a vitamin C serum, decide whether the concentration is right for you (see our suggested percentages for the main skin types, below), and consider which form it comes in. ![]() 'By 12 weeks, most people will be seeing a good result, but many start to notice improvements from four weeks onwards,' says Dr Shotter. In short, vitamin C is great, but don't expect an overnight miracle. It also breaks down over-pigmented cells on the skin's surface, giving you that sought-after glow without altering your normal pigmentation. ![]() In terms of brightening, this super vitamin blocks the enzyme tyrosinase, which is responsible for accelerating melanin production (if left unchecked, this can lead to dark spots). It also helps boost collagen production, keeping skin firmer and healthier.' Not only that, but if you want your complexion to truly reap the benefits of vitamin C, more can be achieved if you apply it topically rather than ingesting it.ĭr Shotter explains: 'Vitamin C is a powerful antioxidant, helping your skin fight free radical damage from sunlight and pollution. Do dermatologists recommend vitamin C serum?ĭerms agree that vitamin C is one of the most important steps in any skincare routine, following happily behind SPF and thorough cleansing. ![]()
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