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Palm also says, “In clinical studies, tetrahexyldecyl ascorbate has been found to be less inflammatory, reduces redness, decreases pigmentation and uneven discoloration, improves fine lines, and improves skin texture.” Ready to find your new hero serum? Below you'll find our beauty editor-approved round-up of the best vitamin C serums that the market has to offer. The Marie Claire UK team were thorough in their testing of the below products. How did we do it? Well, with some of the most established beauty journalists in the country getting to call Marie Claire UK their work home, it's needless to say they've spent a good few years of their lives testing and trialling vitamin C serums. Combined, the beauty team has decades of vitamin C testing experience, so they know a thing or two about what makes a product the best (and worth your money). According to a 2017 research review, most healthy skin and organs contain high concentrations of vitamin C, suggesting that vitamin C accumulates in the body from circulation. Wash your skin with a gentle cleanser and make sure your skin is squeaky clean. Apply a few drops our best Vitamin C Serum to face in the PM before applying any cream. Patch test before using the product. You may experience purging during the first week of using active serums, however, do not fret. Purging settles within 2 weeks of use once all the dirt from the skin has been extracted.
This is why Palm doesn’t recommend introducing multiple new skin care products into your routine at the same time. It’s possible to have a skin reaction after repeat exposure, so it’s best to introduce new products one at a time, spaced out by a few weeks. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. We avoid using tertiary references. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. To do this, apply a small amount of product on the inside of your wrist. Wait 24 hours for any signs of irritation before using broadly. Sensitive skinAlyssa Kaplan is an experienced writer in the beauty industry and product tester specializing in cosmetics. She has tested several vitamin C, including several on this list. She received a bachelor’s degree from the Fashion Institute of Technology, where she studied marketing and product development in the cosmetics industry as well as fashion business marketing. Alyssa has been a commerce writer at Byrdie since 2022, where she covers all things beauty.
I would love to know if it’s possible to make larger amounts of this with natural preservatives, and which ones are safest. Aqua, Dimethyl Isosorbide, Acrylates/Beheneth-25 Methacrylate Copolymer, Methylpropanediol, Phenoxyethanol, Caprylyl Glycol, 3-O- Ethyl Ascorbic Acid, Triethanolamine, Sodium Hydroxide, Citric Acid. As Palm explains, tetrahexyldecyl ascorbate is readily absorbed through the skin’s lipid bilayer. “Therefore, it requires a lower percentage of active vitamin C to be biologically available and productive,” she says. Most people can use vitamin C daily, though sensitive skin types should work their way up from using it every other day until their skin has adjusted to it. But from then on, go ahead — make it part of your morning grind.
THINGS TO NOTE
When testing a new serum, Dr. Alam recommends first applying the product to a small area of the skin. “If no side effects occur, then transition to using the product more broadly a few days per week before progressing to daily use. If any side effects are noted, use of the product should be stopped,” he says. Though it sits at a similarly high price point to SkinCeuticals C E Ferulic, Dr. Saedi explains that many of her clients gravitate toward Revision C+ Correcting Complex because it is fragrance free and is more of a lotion in consistency, making it “less irritating.” The best way to use this DIY vitamin C serum for the face is just before bed. Wash your face with this homemade face wash, then use a my DIY rosewater toner. Allow the face to dry, then make sure to gently shake the serum bottle just before use and apply a small amount of my DIY Vitamin C Serum. Again, allow it to dry and top it off with this DIY lavender and coconut oil moisturizer. In most cases, for a product to be of biological significance, it needs to have a concentration higher than 8%. Studies have shown that a concentration above 20% does not increase its biological significance, but might cause irritation. Found your link while researching “C3”. Would just like to add this information (according to Dr. Oz)…
Ascorbic acid can also create a powerful free radical known as a hydroxylradical, via a Fenton reaction with iron in the body. It is also irritating to skin and unstable when used in topical formulations.” Ingredients: Sodium Ascorbate (Vitamin C), Ascorbic Acid (Vitamin C), Calcium Ascorbate (Vitamin C), Hyaluronic Acid According to a 2020 review, a combination of tyrosine, zinc, and vitamin C was shown to increase the bioavailability of vitamin C 20 times more than just vitamin C alone. Vitamin C has an excellent safety profile. Most people can use topical vitamin C for an extended period of time without experiencing any adverse reactions.
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Dr. Hadley King, New York City-based board-certified dermatologist and clinical instructor of dermatology at Weill Medical College of Cornell University Vitamin C is a versatile skin care ingredient that may improve your skin’s appearance. Whether it’s worth it really to depends on your skin care needs and overall budget. How often should I use vitamin C serum? In general, it’s essential that your diet includes beneficial antioxidants — coffee, berries, and green tea are a few excellent and delicious options. Water, (L-)Ascorbic Acid, Dimethyl Isosorbide, Butylene Glycol, Peg/Ppg/Polybutylene Glycol-8/5/3 Glycerin, Ferulic Acid, Tocopherol, Phenoxyethanol, Ethylhexylglycerin, Sodium Hydroxide Vitamin C comes in many forms, but the most common is L-ascorbic acid. “If this is the active ingredient, the serum should contain 10 to 20 percent L-ascorbic acid and have an acidic pH of 2 to 2.5 for optimal absorption and results,” Dr. Alam says.
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