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From bakuchiol to hyaluronic acid to niacinamide, there is no shortage of trendy ingredients to choose from in skin care products. Peptides, while not exactly new, are another ingredient you've probably seen listed on countless product packages, but you may have no idea what they actually do. Is this an ingredient you should be looking for? Are they safe to use?
In short, yes. Peptides are a harmless ingredient that generally won’t negatively affect you, explained Dr. Susan Massick, board-certified dermatologist at The Ohio State University. To gain a greater understanding of the commonly-touted skin care ingredient, Shop TODAY asked Massick for her expert insight.
How do peptides work for your skin?
“Peptides are basically a short chain of amino acids,” Massick said. “Amino acids are the building blocks of proteins, so peptides are a generic term for small chains of these amino acids.”
Studies have shown that peptides can help repair your skin barrier or produce collagen when used in certain products or combinations. However, with surrounding science still being so new, there’s no concrete long-term evidence of its anti-aging benefits yet, she explained.
“While they may be nourishing, hydrating [or] moisturizing [for your skin], in terms of [whether] they really reverse aging? It may not necessarily be as effective as they’d hope."
Despite the lack of current data available on the ingredient, she assured us that peptides are very safe to use. “They’re not harmful in any way and I think that’s important in terms of trying to find all these products,” she said.
Unlike other ingredients that can irritate your skin, Massick says that’s typically not the case with peptides. In fact, certain peptides have been shown to have anti-inflammatory properties, according to a 2018 study.
But again, don’t expect to see miracles from solely using products with peptides. “Some of them look really interesting in terms of all the things that they promise on their packaging but in terms of 100% age reversal, it's probably not going to happen,” she advised.
Tips for using skin care products with peptides
When looking for a product with peptides, Massick recommends opting for creams and serums. “I don’t think they’re necessarily as effective when they’re in the washes because they don’t really have enough time to penetrate the skin when you just put them on and directly rinse them off,” she elaborated.
When you find a product you want to try, Massick stresses the importance of starting with a test area to assess any irritation that may arise and checking the other ingredients that are in the formula. She says that oftentimes peptides work synergistically with ingredients like vitamin C, hyaluronic acid and niacinamides, so you should keep an eye on the ingredients list to see if any of these or other beneficial skin care ingredients are present.
Like every dermatologist, Massick also stressed the importance of making sure you have proper sun protection in your skin care regimen. “That’s really what’s going to be driving…the changes to the skin that we’re trying to combat and reverse with these products,” she said.
Best peptide creams and serums, according to shoppers
Made with a formula of niacinamide and dual peptides, this unscented wrinkle correction serum is designed to absorb quickly into the skin for rejuvenation and a lifted look.
You'll find hyaluronic acid alongside peptides in this serum that claims to heal and repair skin while improving tone and texture. It's an Amazon's Choice pick that has almost 7,000 verified five-star ratings. Reviewers like using it in conjunction with other products like vitamin C or retinols.
This bestseller is formulated to help address firmness and elasticity concerns, as well as fine lines and wrinkles. A key ingredient is the Matrixyl 3000 peptide complex, which is meant to mimic the effect of natural collagen on the skin, making it appear plumper and firmer, according to the brand. One Sephora reviewer called it "absolutely a staple!"
Deliver hydration for soft, supple skin with this moisturizer from Bliss that is vegan, paraben-, phthalate- and formaldehyde-free. It has almost 4,800 reviews on Target's website alongside a solid 4.5-star average. According to brand highlights, it allegedly defends from future free radical damage.
Most known for their popular Intense Hydration cream, First Aid Beauty also has this firming collagen version in their Ultra Repair line. According to a clinical study conducted by the brand with 30 participants, 100% of them said their skin felt and looked instantly hydrated and nourished after four weeks.
Keeping an intact skin barrier is vital for things like protecting from excess water loss and external threats like allergens and chemicals. A winner in Allure's 2019 Best of Beauty Awards, this cream has a triple lipid peptide complex (as implied by the name), a peptide protein blend, a seaweed hyaluronate blend and lily root extract. It has 1,000 five-star reviews on Sephora's website, with one shopper admitting they're on their third repurchase.
Highly rated on the brand's site, this night cream has over 350 five-star reviews. Created with a blend of five peptides and three ceramides, it's designed to help restore skin to a strong, healthy state. "It truly feels like a luxurious product I get to put on my face every night," one person raved.
This serum is made with a slew of powerhouse ingredients like green tea, Saint John's Wort extract, sage and willow bark extracts, aloe vera, chamomile extract and more. A midweight formula, it touts benefits like supporting skin renewal to reduce the appearance of fine lines and wrinkles, improving moisture retention and restoring softness to the skin.
This highly-rated moisturizer contains nine signal peptides as a key ingredient to plump, firm and restore bounce to the skin, according to the brand. Ulta reviewers also raved about how lightweight it is, along with the lack of stickiness or greasiness they experienced after using it.
For more stories like this, check out:
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- This underrated ingredient is key for glowy and supple skin, according to dermatologists