): If you want to use a serum with L-ascorbic acid—the most proven and potent form of vitamin C—you need to be aware that it is highly unstable. I never thought I’d be dealing with cystic acne and emerging wrinkles in equal measure at age 30, but alas, here we are. Is your routine as hydrating as it could be? That's in addition to vitamin C's ability to brighten the skin, fade pigmentation, and (at least with L-ascorbic acid) promote collagen production! A tan from erythrulose can last as long as a week! Plus, at 30ml per bottle, you get the same amount of product as C E Ferulic for $86 less. After day three, my forehead lines were noticeably smoothed and my skin felt baby-soft to the touch after washing it off. Some of the best vitamin C derivatives include: While vitamin C derivatives are great for fighting free radicals and brightening, keep in mind that they're less proven than L-ascorbic acid in terms of increasing collagen. While it certainly takes more than three days to reap the complexion-boosting benefits, my zits and acne scars along my jawline felt sufficiently soothed by the third application. Supporter of IEF (International Elephant Foundation). (With L-ascorbic acid, this usually takes about three months after opening the bottle.). C-Firma™ has a reservoir effect, which means it will stay active on skin for up to 72 hours and cannot be washed or rubbed off. After applying my makeup, it practically melted off towards the middle of the day and made my face look orangey, something I’ve never experienced before (and I don’t even have oily skin). What's more, C-Firma also contains fruit enzymes like pumpkin ferment and pomegranate extract to dissolve dead skin cells and minimize the appearance of pores. When I squirted out the C-Firma Day Serum, it came out a bright orange. Best case, you won't any get results from applying a vitamin C serum that has oxidized in the bottle. See our Disclosure for more information. The Ingredients & Value: You’re getting vitamin C and then some . What I'm using to fade pigmentation, prevent breakouts and ward off aging. If you're a detail-oriented type of person, monitoring your L-ascorbic acid for changes and keeping it away from light, air and heat probably won't be an issue. The redness had been tempered, and I felt like the recovery process had been escalated. If you struggle with vitamin C turning colour on your skin—even when it's applied from a fresh, non-oxidized bottle—consider pairing it with a face oil. Although it felt smooth and dry to the touch, it didn’t feel like I was completely bare-faced. L-ascorbic acid in solution is unstable and gets oxidized rapidly and turns orange. Though I’m a bit of a "clean skincare" skeptic, I was intrigued to try Drunk Elephant’s C-Firma Day Serum. Finally, sodium hyaluronate crosspolymer delivers a dose of hydration to plump the skin and diminish the appearance of fine lines even further. It's an ingredient you can safely use year-round! C-Firma™ has a pH of 3.3. I use Tatcha’s Camilla cleansing oil, the deep cleanse, the rice enzyme powder, the violet How can you properly tell when vitamin C is oxidized? That way, you've also got more time to finish up the product! [Read more about how self-tanners can age your skin]. What's more, C-Firma also contains fruit enzymes like pumpkin … There are two scenarios for why you might see a colour change, and both have to do with oxidation: An oxidized bottle of vitamin C (not only has the serum turned dark brown, but the rubber dropper has also started to dissolve). Cruelty-Free. The color! As mentioned above, this is more of a requirement than a choice—I have dry, sensitive skin that’s prone to hormonal acne around my period and eczema flare-ups once the temperatures drop. These ingredients help diminish the appearance of photo-damage and aging, in addition to clarifying the skin and enriching your overall complexion. Vitamin C penetrates best at a low (acidic) pH, but this can also increase the risk of irritation to your skin. You just need to be careful about oxidation! Both alpha- and beta-hydroxy acids will accomplish this (although I prefer beta because they're strong but anti-inflammatory and non-photosensitizing). By using Byrdie, you accept our. A fresh bottle of vitamin C (notice the clear liquid with a thin consistency). Contrary to what my medicine cabinet would suggest, I consider myself a skincare minimalist. All in all, C-Firma actually delivers on its promise of firmer, clearer skin, and in my experience, is less irritating than similar vitamin C serums on the market. Of course, a vitamin C serum is only as good as its ingredient list. Ever used a vitamin C serum and noticed your skin looking darker, orange or more tanned? This time, the formula melted into my skin and the sticky texture quickly disappeared. Far more worrisome than an unwanted tan, however, is that erythrulose may even age your skin. By midday, I could still feel a slight film on my skin, plus a subtle tightening sensation across my forehead and cheeks. It's when it's a deep orange (almost red) that it should be avoided. The bottom line? Of course, a vitamin C serum is only as good as its ingredient list. Ich habe Shiseido angefragt, wann die Produkte auch in der Schweiz gelauncht werden, und die Antwort lautete: «Frühestens 2021» – wohl auch wegen der ganzen COVID-19 Pandemie. A gentle daily or even twice-daily acid exfoliation will slough off some of the dead skin cells that are stained by the erythrulose, helping to reveal your original lighter tone. Before you mix or layer these ingredients, read this. Overall, it feels like it’s doing something, but fulfills its promise of being lightweight and easy to apply. I wanted to like this vitamin c just like the rest of the Drunk Elephant products, but this was just too sticky and did not sit well on my skin. Should I open the serum or save it for the winter?— Patricia. Here's what to know. For Drunk Elephant, this is perfectly normal. As I explained in my self-tanner tutorial, erythrulose and dihydroxyacetone (DHA) darken the skin via the "Maillard reaction." Fortunately, the clever packaging helps to preserve every last drop—it’s housed in a completely opaque bottle with a secure twist-up lid to keep air out. Kelsey was MyDomaine's lifestyle news editor for over two years. Best for: All skin types, particularly those who are trying to treat dark spots and photoaging. I’m definitely going to continue using C-Firma a few times a week and closely monitor my acne scars. Niacinamide, aka vitamin B3, has a wide range of benefits, from improving signs of aging, like fine lines, wrinkles, and loss of firmness, to evening out tone and texture. The new lines taking up near-permanent residence on my forehead are just as frustrating as the all-too-familiar breakouts and acne scars along my jawline. The promise of vitamin C in general is to address uneven skin tone, dullness and uneven texture. After contact with light, heat and air, vitamin C eventually oxidizes and loses its potency. My sensitive skin demands that I play it safe when it comes to new products, but the fan-favorite formula boasts glowing reviews and promises to treat the exact concerns at the top of my list: dark spots, dullness, and fine lines. As with any Vitamin C serum, you should not use C-Firma with retinoids, copper peptides, and alpha-hydroxy acids, as these ingredients can destabilize the formula and render it ineffective. A quick Google search for a solve for these conditions points to one product in particular: vitamin C serum. I had just gotten home from a long (socially distanced) weekend away involving countless cocktails and minimal sleep when I used this serum again. Okay SCA. Contains 15 percent L-ascorbic acid—the most potent, proven form of vitamin C for antioxidant protection, brightening, fading of dark spots and boosting collagen production. Keep it away from light and heat (you may even want to store it in the fridge) with the lid tightly closed, and throw it away as soon as it changes colour or smells "off.". An oxidized vitamin C serum (left) vs. a fresh vitamin C serum (right). Packed with powerful L-ascorbic acid and a range of antioxidants, these often pricey elixirs claim to fade dark spots and correct environmental damage while brightening and firming the skin. So, what's going on when a vitamin C serum makes your skin look darker? Ahead, find my unfiltered three-day review of this hero product, including how it affected my sensitive skin, the results, and whether I think it’s worth the $80 price tag. According to Dr. Joshua Zeichner, "your body builds up a storage of antioxidants as you use them, so using vitamin C serum at night will help guarantee your body has enough ready to go in the morning when you need them most.". To my surprise, it didn’t irritate the healing zits on my jaw or the small eczema spots around my eyes—it felt slightly tingly for a moment, but quickly subsided. These Vitamin C Serums Will Give You Glowy Skin, Instantly, This $6 Vitamin C Serum Gave Me Silky Smooth Skin in 3 Weeks, Editors Everywhere Are Obsessed With This Vitamin C Serum, So I Tried It, True Story: This Budget Vitamin C Serum Lightened My Dark Spots in Just 3 Weeks, This Vitamin C Serum Sold Out in Less Than 24 Hours and Now I See Why, I've Tried Hundreds of Serums—These Are the 20 Best, What Is Ferulic Acid? Additionally, pure L-ascorbic acid is most effective when fresh, so use it up within six months and store it in the refrigerator to preserve its magic. I use True Botanicals, recommend it highly. But could the colour change actually be harming your skin? Powder form does not oxidize. Drunk Elephant’s is formulated with a potent 15% L-ascorbic acid and ferulic acid, plus 1 percent vitamin E—roughly the same effective formulation that put SkinCeuticals' C E Ferulic on the map. Apply the C first, and then a generous layer of oil on top of it. You don't have to give up vitamin C if you want to avoid staining your skin. Pro-vitamin B5 attracts and holds hydration in the skin, improving barrier function. If you buy something through our links, we may earn a commission. 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