“Vitamin C helps neutralize free radicals, a process that helps protect retinol from oxidation — thereby increasing its anti-aging benefits.” Combining vitamin C and retinol underneath your sunscreen doesn’t only work well, it helps stabilize retinol and allow it to work more effectively against your aging skin concerns. Il a été prouvé que le sérum rétinol 3erum1ab améliore la pigmentation, les ridules, les rides, la texture de la peau et sa couleur. . It's when they're dissimilar—whether in pH and/or texture—that you need to be more careful about when you apply them, and in what order. Like vitamin C and benzoyl peroxide, there are over-the-counter products that include both retinol and alpha or beta-hydroxy acids. Puissant antioxydant, la vitamine C renforce l'action du rétinol tout en lui offrant une plus grande stabilité. After completion of this bottle I've seen a huge difference in the elasticity in my skin, and fine lines are deminishing. 4,1 sur 5 étoiles 2 401. Vitamin C and retinol are two gold-standard skincare ingredients. Which one goes on first? However, they tend to be more stable and less irritating, and offer many of the same benefits (including protection from free radicals, brightening and in some cases, even boosting collagen production). L-ascorbic acid treatments from SkinCeuticals, Paula's Choice, Timeless and Drunk Elephant. To learn more, visit AdChoices and our privacy policy. Much of that has to do with its role in neutralizing free radicals. You might be surprised to know that it's also possible to apply your vitamin C serum and acid together, at the same time. A derivative of vitamin A, retinol naturally occurs in the skin and is proven to improve the look of dark spots and pigmentation, fine lines and wrinkles, skin texture, tone and even blemishes. Does your skincare routine include retinol and vitamin C?What results have you noticed so far? As soon as the first product absorbs, you can apply the second. However, they can be a lot to remember... which is why I created the Types of Vitamin C Cheat Sheet. It has retinol and enriched with vitamin C and actually made my face feel and look wonderful. Essentially, they will both become less effective! Award-winning, science-led skincare brand StriVectin, which hails from the US, offers a new revolutionary serum where Vitamin C and Retinol come together in one lightweight formula. . Another thing to keep in mind is that oils can create a barrier on the skin that blocks the absorption of water-based products—another reason not to mix oil-based and water-based solutions. Terms of Service apply. That means it won't penetrate your skin, and you won't get any of the vitamin C's benefits. The result? The retinol will become less active, and the vitamin C will have a reduced ability to get into your skin. When it comes to selecting a retinol, you have a few options. Dermatologists suggest opting for a high-quality serum with stabilized concentrations of vitamin C that is backed by good data and research. Retinol, on the other hand, is an ingredient that is traditionally reserved for evening use, as it can occasionally cause skin sensitivity to sunlight. Prescription retinoids — like retinoic acid or tretinoin — are stronger, while over-the-counter drugstore retinoids — like retinol or retinyl palmitate — are usually more mild. I hope this guide helps you to make the most out of retinol and vitamin C in your skincare routine! “A vitamin C serum will be most effective in delivering to the cellular level,” says Dr. Engelman. Click to read our, Why You Need Vitamin C and Retinol in Your Anti-Aging Routine, To reduce the appearance of fine lines, wrinkles and other, . Retinol and vitamin C are both fantastic skincare superheros for wrinkles, wrinkle prevention and wrinkle rewinding. The next thing to think about is whether the ingredients are oil-soluble or water-soluble. . Commander Grounded EGYPTIAN GOLD VITAMIN C, HYALURONIC AND RETINOL SERUM 50ML - Sérum - neutral/non défini à 34,95 € le 27/11/2020 sur Zalando. The serum should also come in a dark bottle, as vitamin C can become less effective with exposure to light. Thank you . One of our current drugstore favorites is the La Roche-Posay Pure Vitamin C Serum. All my favourites from the last 12 months. Super ingredients. Incorporating the waiting period allows your skin's pH to return to normal, so each ingredient can work at its intended pH. A derivative of vitamin A, retinol naturally occurs in the skin and is proven to improve the look of dark spots and pigmentation, fine lines and wrinkles, skin texture, tone and even blemishes. Vitamin C - Also among the elite in skin care ingredients, Vitamin C brightens and erases discoloration by stimulating skin cell renewal and blocking the creation of the skin pigment melanin. 14,97 € 14,97 € (49,90 €/100 ml) 35,00 € 35,00€ 5,00 € coupon appliqué lors de la finalisation de la commande Économisez 5,00 € avec coupon. This site is protected by reCAPTCHA and the Google privacy policy and The serum should also come in a dark bottle, as vitamin C can become less effective with exposure to light. Vitamin C is typically applied in the morning along with sunscreen, when its benefits against harmful UV rays and free radicals can be most effective. A quick glance at the ingredient list of your favorite mask, serum or moisturizer will reveal that you’re probably already using at least one of these miracle workers to care for your skin. Look out for exclusive Skincare.com content in your inbox soon! Here's what happens to them when you use retinol and vitamin C at the same time, and why it matters. If you're going to get the most out of these ingredients, you NEED to be aware of two factors: pH and solubility. Unfortunately, the two typically don’t get along very well. Vitamin C and retinol—also known as Vitamin A—are two vitamins that are essential for proper healing and maintenance of the skin. The result? However, because retinol and vitamin C are both potent, we recommend combining the two only when your skin is used to them. . What if your vitamin C treatment is anhydrous (water-free)? Skin Regimen 1.5 Retinol Booster Wrinkle Concentrate, Dr. Dennis Gross Clinical Grade IPL Dark Spot Correcting Serum, The Ordinary Ascorbyl Glucoside Solution 12%, Dermadoctor Kakadu C 20% Vitamin C Serum with Ferulic Acid & Vitamin E, Youth to the People Superfood Firm and Brighten Serum, Whether you can apply retinol and vitamin C at the same time, Why you need to consider pH and solubility, The best ways to use retinol and vitamin C in your skincare routine, My top retinol and vitamin C product picks, Ascorbyl tetraisopalmitate (pH 4.0 to 6.0), Magnesium ascorbyl phosphate (pH 6.0 to 7.0), Sodium ascorbyl phosphate (pH 6.0 to 7.0). This can include wrinkles, fine lines, dark spots, dry patches and more. Offre à durée limitée. In fact, using an acid right before vitamin C … Both, however, are effective, so choose one that suits your needs and that your dermatologist recommends. However, keep in … In this case, I'd apply the retinol first, let it absorb, and then apply the vitamin C. You can also use them at different times of day or on alternating nights. Ask the Expert: What Is the Best Way to Address Acne on Skin of Color? This ensures that each ingredient can work at its correct pH. Retinol is the gold-standard of anti-aging skin care. What Is Sebum and Why Does Your Skin Need It? While vitamin C and retinol are considered the VIPs of skincare ingredients, they shouldn't be treated as teammates. To find out the benefits of each ingredient and how to safely incorporate both into your lineup, keep reading. (It's FREE!). Now that we know the benefits of each individual ingredient, let’s talk about how to incorporate them into your skin-care routine. Retinol and vitamin C, are 2 anti-aging skincare powerhouses that ensure and promise powerful skin healing properties and beneficial results in real time. L-ascorbic acid — also known as pure vitamin C — is a powerful antioxidant that is considered one of the best ingredients for targeting signs of aging by industry experts. Both, however, are effective, so choose one that suits your needs and that your dermatologist recommends. The formula is concentrated with pure retinol that is focused on reducing the signs of aging while fighting potential breakouts. “Vitamin C tends to be finicky,” says Dr. Engelman. Adding both retinol and vitamin C to your skincare routine is unfortunately not as simple as layering one ingredient over the other, or just mixing them together. Are you using these active ingredients correctly? “Retinoids are vitamin A derivatives that work by binding to retinoic acid receptors, which then act as transcription factors and … Option 3: Apply Them at the Same Time. Much of that has to do with its role in neutralizing free radicals. Vitamin C and Bio-Retinol are brought together at last in this innovative cocktail of vitamins which help supercharge dull and tired skin by brightening the appearance of pigmentation, improving cellular turnover, boosting collagen and significantly improving all signs of ageing, tired skin. Is There a Way to Get Rid of Stretch Marks? The retinol will become less active, and the vitamin C will have a reduced ability to get into your skin. Naturally found in: Capsicum & Carrot. Since retinol and L-ascorbic acid have a big gap in pH, using them at the same time will lower the retinol's pH and raise the vitamin C's pH. It fights free radicals, a process that helps protect retinol from oxidization as it penetrates deeper into the skin—thereby increasing its anti-ageing benefits! And what about mixing them together?! Personally, I actually prefer vitamin C derivatives to L-ascorbic acid, even if they aren't quite as powerful. Your Questions, Answered. But did you know that you can apply vitamin C at night, too? Livraison gratuite à partir de 24,90€. First, you’ll need to select a great vitamin C serum. Now that we know the benefits of each individual ingredient, let’s talk about how to incorporate them into your skin-care routine. Start by using retinol once or twice a week, and gradually increase the frequency as needed to every other day, or every night as tolerated. Retinol . Vitamin C and Bio-Retinol are brought together to supercharge your skin in this nourishing oil-based booster. The formula is concentrated with pure retinol that is focused on reducing the signs of aging while fighting potential breakouts. Vitamin C derivatives have to be converted into the active form of vitamin C, L-ascorbic acid, in your skin. To use, all you have to do is place three to four drops of the serum into the palms of your hands and apply it onto a clean, dry face. By signing up, I agree to receive emails from Skincare.com and other L'Oreal brands and programs. Editor’s note: As mentioned, vitamin C and retinol should always be used in tandem with a broad-spectrum SPF 15 or higher during daytime hours. The former works to even out skin tone and restore radiance, while the latter lessens the look of lines and refines skin’s texture. In general, you want to apply your products in order of lowest to highest pH. Retinol Sérum pour le visage et la peau, double principe actif unique composé de 5% de rétinol et de 2,5% de vitamine E, effet synthétique exceptionnel (Retinol Sérum) Lire les avis d’autres clients. Otherwise, you may not get the results that you're after. As mentioned above, retinol can be too much when paired with acids, but be wary of layering them with vitamin C, too. Most dermatologists believe that retinol should always be applied at night, away from UV light. “Vitamin C helps neutralize free radicals, a process that helps protect retinol from oxidation — thereby increasing its anti-aging benefits.” Combining vitamin C and retinol underneath your sunscreen doesn’t only work well, it helps stabilize retinol and allow it to work more effectively against your aging skin concerns. But you may still be a little confused on what exactly each one does—and how you should be using them. However, these naturally occurring stores deplete over time. Like vitamin C, retinol has some coveted benefits: It can heal cystic acne, get rid of dark spots, soften wrinkles, and lighten hyperpigmentation. Retinol is just another name for vitamin A, an essential nutrient found in many foods. (The only exception where you'd probably want to wait is if two products are more than 1.5 to 2.0 apart.). Oil and water don't mix. Triggered by various environmental factors (read: pollution, smoke, UV rays), free radicals can break down your skin’s collagen and cause visible signs of aging to form. In fact, vitamin C is the only antioxidant proven to stimulate the synthesis of collagen and minimize fine lines and wrinkles, according to the Cleveland Clinic. Both are known to fight wrinkles, build collagen and fade dark spots and pigmentation. Here's what to know. "creme retinol vitamine c" GAGNANT 2020* Sérum Visage Rétinol BIO 50 ml - Système de Livraison de Rétinol 3% & Complexe de Vitamine C à 25% - Aloe Vera, Acide Hyaluronique & Vitamine E - Soin Visage Femme Antirides Hydratant . Eva Naturals Vitamin C Serum Plus 2% Retinol, 3.5% Niacinamide, 5% Hyaluronic Acid, 2% Salicylic Acid, 10% MSM, 20% Vitamin C - Skin Clearing Serum - Anti-Aging Skin Repair, Face Serum (1 oz) 4.4 out of 5 stars21,049 $14.95$14.95($14.95/Fl Oz) Save 5% more with Subscribe & Save Vitamin C is known to stabilize retinol, which can increase its effectiveness. 13,99 EUR. Skin is visibly illuminated, brighter, more even and firmer as if lifted. An acid is still an acid, even when it gets a glow-y makeover and rebrands itself as a vitamin. Cookies, related technologies and device identifications are used for personalized advertising. get instant access to expert advice, insider interviews, giveaways, quizzes, and more. What Are Free Radicals? “The good news is, retinol works in an acidic environment, so cocktailing these two ingredients together does make sense,” she says. Because retinol is quite powerful, most experts recommend starting with a lower concentration of the ingredient and minimal frequency of use to help build up your skin’s tolerance to it. Studies have shown the retinol-vitamin C combination to be highly effective in reversing both natural aging and photoaging. Dermatologists suggest opting for a high-quality serum with stabilized concentrations of vitamin C that is backed by good data and research. All skincare products that are water-based (aqueous) have been formulated to work at a certain pH. From brightening your complexion and reducing hyperpigmentation to increasing the rate of cell turnover, using both ingredients in your skin-care routine will have your skin looking plumped, radiant and youthful. …oh and the little extras like pigmentation, skin tone evening, brightening, smoothing and basically just anything which means being awesome. If you must use retinol and L-ascorbic acid at the same time, separate them by 30 minutes. To find out the benefits of each ingredient and how to safely incorporate both into your lineup, keep reading. For those of us looking to use retinol and vitamin C at the same time, we're lucky to have so many vitamin C derivatives to choose from. Since retinol and L-ascorbic acid have a big gap in pH, using them at the same time will lower the retinol's pH and raise the vitamin C's pH. At least one study has shown that retinol did maintain its effect when paired with vitamin C, and other “studies have shown that combining retinol with vitamin C or another antioxidant may help stabilize it,” she says. The right way to layer these glow-getters. If you’re looking for a convenient pick, reach for the SkinCeuticals Retinol 0.3. Before you layer these ingredients, read this! C hances are you’ve already heard about the skincare benefits of Vitamin C, Retinol and Hyaluronic Acid.These are some of the most popular names at the moment. Fortunately, there are a few ways to incorporate both vitamin C and retinol in your skincare routine without sacrificing any of the benefits. After sampling this product I can honestly say that you have to try this serum, why. An Expert Explains, 7 Korean Beauty Trends That Should Be on Your Radar, 6 Acne Hacks That Actually Work, According to a Dermatologist, We Tried It: Lancôme Rénergie Multi-Glow Rosy Skin Tone Reviving Cream, 9 Sunscreens That Won’t Leave a White Cast on Dark Skin Tones, 4 Glycolic Acid Toners That Are Worth the Extra Step in Your Skin-Care Routine. 6 Illuminating Moisturizers for Radiant Skin, What Is Sallow Skin? See our Disclosure for more information. First, you’ll need to select a great vitamin C serum. By signing up, I agree to receive emails from Skincare.com and other L'Oreal brands and programs. Serum Vitamine C Anti Rides + E-Book GRATUIT pour le Soin Visage - Serum Anti Rides Femme & Homme avec de Acide Hyaluronique Bio qui Stimule le Collagene Pour une Peau Jeune & Radieuse - 30ml . 3,9 sur 5 étoiles 7 359. If you buy something through our links, we may earn a commission. Prescription retinoids — like retinoic acid or tretinoin — are stronger, while over-the-counter drugstore retinoids — like retinol or retinyl palmitate — are usually more mild. Both vitamins A and C are necessary to the body's health and proper functioning--deficiencies in … Before you mix or layer these ingredients, read this. To reduce the appearance of fine lines, wrinkles and other signs of aging, vitamin C and retinol are two key ingredients to have in your anti-aging arsenal. We’ve perfected the science with our unique gentle Retinol formula, offering amazing results with no side effects like redness, peeling or dryness. When applied correctly, these ingredients form a barrier that protects the skin from the harmful environmental factors that cause skin damage and rapid aging. Choose formulas with one or more of these vitamin C derivatives: Which ingredient goes on first? Retinol, hyaluronic acid, AHAs, BHAs, PHAs, peptides, and vitamin C all make the list. This ultimate collaboration is a skincare science breakthrough featuring two forms of stabilized Vitamin C + Acerola Cherry Extract to restore clarity and brighten dull, tired skin as Retinol smooths rough texture and fine lines — all while helping to neutralize the effects of free radicals to skin… It’s formulated with 10% pure vitamin C, as well as salicylic acid and neurosensine. So if you're adding a water-soluble vitamin C (for example, an L-ascorbic acid powder) into an oil-soluble retinol, it will not dissolve. Vitamin C is typically applied in the morning along with sunscreen, when its benefits against harmful UV rays and free radicals can be most effective. But fitting them into your skincare routine can be tricky. La vitamine A ou rétinol joue un rôle primordial dans le processus de la vision, mais aussi pour la beauté et la santé de la peau et des muqueuses.. La provitamine A désigne certains caroténoïdes dont le bêta-carotène qui est le principal.. La vitamine A est liposoluble. Do you need to wait in between them? © 2020 The Skincare Edit. Triggered by various environmental factors (read: pollution, smoke, UV rays), free radicals can break down your skin’s collagen and cause visible signs of aging to form. All rights reserved. Powerful peptides, retinyl palmitate (a form of retinol), hyaluronic acid, and a vitamin C antioxidant complex helped to regenerate skin with less irritation. Dr. Gilbert says, “Retinol causes the top layer of skin to turn over faster, which helps to reduce the … In fact, doing either of those things could be a waste of your time and money. Microcurrent, niacinamide and granactive retinoid, oh my! The Best Clarisonic Brush Heads for Every Skin Concern, According to Our Editors, A Personalized Skin-Care Routine for Every Skin Type, Milia: What You Need to Know About the Tiny White Bumps on Your Face, How to Treat and Prevent Dark Spots on Deep Skin Tones, This Is Why You’re Breaking Out On Your Chin. That said, don’t be afraid to use retinol during the daytime, underneath your vitamin C serum, so long as you apply (and reapply) a broad-spectrum sunscreen, like the Vichy LiftActive Peptide C Sunscreen. Start by using retinol once or twice a week, and gradually increase the frequency as needed to every other day, or every night as tolerated. Again, since there's not a huge gap in pH, you shouldn't have to wait in between layers. But no matter which type of vitamin C you choose, using it in combination with a retinol is a surefire way to get your skin glowing, firm and even-toned. L-ascorbic acid — also known as pure vitamin C — is a powerful antioxidant that is considered one of the best ingredients for targeting signs of aging by industry experts. "Associé à la vitamine C, c'est un duo de choc", souligne Véronique Ros. The key takeaway is that you always want to be using "like with like." Vitamin C Serum Plus 5% Hyaluronic Acid, 2.5% Retinol, 2% Salicylic Acid, 3.5% Niacinamide, 10% MSM, 20% Vitamin C - Anti Aging Anti Wrinkle Skin Clearing Serum Organic Skin Care for Face and Eyes 1oz 4.4 out of 5 stars 312 $14.95$14.95 ($14.95/Fl Oz) Save 10% more with Subscribe & Save Essentially, they will both become less effective! As long as you choose a vitamin C derivative that is close in pH to your retinol, then you can use them at the same time, since they will not destabilize each other. To use, all you have to do is place three to four drops of the serum into the palms of your hands and apply it onto a clean, dry face. Plus, How to Combat Them, 6 Cellulite Myths You Don't Want to Fall For, 5 Anti-Aging Skin Care Tips for Your Neck. Should you layer one on top of the other? Skin is visibly illuminated, brighter, more even and firmer as if lifted. In fact, vitamin C is the only antioxidant proven to stimulate the synthesis of collagen and minimize fine lines and wrinkles, according to the, Retinol is the gold-standard of anti-aging skin care. This can include wrinkles, fine lines, dark spots, dry patches and more. Vitamin C actually helps retinol work better! “By replenishing the skin with vitamin A, lines can be minimized, as it helps build collagen and elastin,” says Dr. Dendy Engelman, board-certified dermatologist and Skincare.com expert. Just click below to download it so you have a handy reference for all the different versions of vitamin C, what they do, and where to find them. One could argue that not using retinol with vitamin C (or some other … Our Bio-Retinol + C Booster uses four incredible vitamins (A, C, F and E) blended into a gentle base of Rosehip Oil, allowing this product to penetrate deeper into … Let me know what results you experience! Suited to all skin types, this popular product contains a blend of 2.5% retinol, 3.5% niacinamide, vitamin C, botanical hyaluronic acid, and salicylic acid. © L’Oreal USA This site is intended for US consumers. And while things like diet and taking supplements are a great way to deliver vitamins to the rest of your body, when it comes to the skin, it’s often best to use things topically. Lighter, water-based solutions must be used before more occlusive, oil-based ones—otherwise, they won't penetrate. In other words, products that are close in pH, with a similar consistency, can be used together with no waiting. (AKA L-ascorbic acid.) “Vitamin C helps neutralize free radicals, a process that helps protect retinol from oxidation — thereby increasing its anti-aging benefits.” Combining vitamin C and retinol underneath your sunscreen doesn’t only work well, it helps stabilize retinol and allow it to work more effectively against your aging skin concerns. It’s formulated with 10% pure vitamin C, as well as salicylic acid and neurosensine. Here’s everything you need to know about Retinol, Vitamin C and the new super serum that will put dull skin to bed. Then, wait half an hour before you apply your retinol. I've also got a free cheat sheet for you to download at the end of this article! They also have a much longer shelf life, whereas I struggle to finish L-ascorbic acid serums before they oxidize. Apply your vitamin C first, since it has the lower pH of the two. Together at last: the brightening power of Vitamin C and the correcting power of Retinol join forces in one supercharged, lightweight serum. Vitamin C derivatives are the exception, as most have higher pH levels. However, because retinol and vitamin C are both potent, we recommend combining the … Now that you're familiar with the different ways you can use retinol and vitamin C, here are my top product recommendations: Retinoids from The Ordinary, Drunk Elephant, A313 and Shani Darden. 14,39 € 14,39 € (28,78 €/100 ml) ECONOMISEZ 15% SUPPLÉMENTAIRES. This study found that DNA damage continues for hours after exposure to UV light, and suggests it could be prevented with a nightly antioxidant, like vitamin C. By using retinol and vitamin C on alternate nights, you'll get the benefits of both, without having to worry about interactions. , board-certified dermatologist and Skincare.com expert. Your easiest course of action is to separate vitamin C and retinol from each other and apply them at different times of day. If you don't have time for the 30-minute waiting period, but you still want to use retinol and vitamin C at the same time, then your best bet is a vitamin C derivative. lien copié. From brightening your complexion and reducing hyperpigmentation to increasing the rate of cell turnover, using both. “By replenishing the skin with vitamin A, lines can be minimized, as it helps build collagen and elastin,” says. When it comes to selecting a retinol, you have a few options. “The good news is, retinol works in an acidic environment, so cocktailing these two ingredients together does make sense,” she says. “Serums have the highest concentration of active ingredients, and they have smaller molecules, which allows actives to penetrate further.” Retinol: Retinol is a key anti-aging ingredient. Because retinol is quite powerful, most experts recommend starting with a lower concentration of the ingredient and minimal frequency of use to help build up your skin’s tolerance to it. If you’re looking for a convenient pick, reach for the. So they're not as potent as L-ascorbic acid itself. Retinol, on the other hand, is an ingredient that is traditionally reserved for evening use, as it can occasionally cause skin sensitivity to sunlight. I find the ones that have a neutral (not acidic) pH are easier to incorporate into my routine, and gentler on my skin. However, be mindful of textures. Is Pregnancy Glow a Myth? Use it to: Jumpstart skin’s renewal. Acheter sur Amazon . Super-C Brighten & Correct Serum from StriVectin has the brightening power of Vitamin C and the correcting power of Retinol come together in one supercharged, lightweight face serum. Serum staining your face and fingers? Try using your vitamin C once every couple weeks in lieu of your acid to help with skintone and hyperpigmentation. Anhydrous solutions will contain oils, silicones or oily solvents that the retinol may not be able to penetrate through. Skincare products that don't contain water, known as anhydrous solutions, don't have a pH. Retinol and vitamin C are two of the most powerful ingredients for your skin. That said, don’t be afraid to use retinol during the daytime, underneath your vitamin C serum, so long as you apply (and reapply) a broad-spectrum sunscreen, like the. Vitamin C derivatives from Mad Hippie, Skin Inc Supplement Bar, Joanna Vargas and The Ordinary. One of our current drugstore favorites is the. Look out for latest stories in your inbox! Click to read our Privacy Policy & Terms and Conditions. “Vitamin C tends to be finicky,” says Dr. Engelman. If you have sensitive skin or experience irritation after application, stagger use of the ingredients. “SPF, vitamin C and retinol really are the three most important items to incorporate into your routine,” says consultant dermatologist Dr Justine Kluk. However, these naturally occurring stores deplete over time. Elle se dissout donc bien dans les corps gras. If your skin is especially sensitive, instead of using prescription tretinoin, you may want to start out with Obagi's Obagi360 retinol skin care line. Dr. King notes that there have been some concerns that the acidic pH needed for vitamin C absorption contributes to the degradation of retinol, but more research is needed. Lightweight treatments for every skin type.