These tiny chains of amino acids are among the most powerful topical tools we have to help smooth wrinkles and restore skin firmness — here’s why. (Special thanks to Dermatologist Cindy Bae)

This clinically-proven vitamin B3 derivative can help treat acne, brighten dark spots, and smooth fine lines and wrinkles. No wonder it’s taken TikTok by storm. (Special thanks to Dermatologist Shari Marchbein)

This natural oil has a funny-sounding name, but it’s got serious benefits for skin and hair—especially if yours feel parched. Best of all, you can easily snag a bottle on your next grocery-store run. (Special thanks to Dermatologist Rita V. Linker)

This essential oil is a triple-threat against breakouts, but if you want to reap the benefits, you’ve got to take it slow. (Special thanks to Dermatologist Alyx Rosen Aigen)

This skin brightener is one of few ingredients that can help reduce the dark spots and discoloration also known as hyperpigmentation—but there’s more to the story. Listen in, then read this investigative report on skin lightening products published by Allure last year: https://www.allure.com/story/end-of-skin-whitening-products (Special thanks to Dermatologist Evan Rieder)

This moisturizing lipid has a complicated backstory, but it’s worth sifting through the facts to uncover the hydrating benefits, particularly if you have oily skin. (Special thanks to Dermatologist Paul Jarrod Frank)

This soothing ingredient has a fascinating origin story—and compelling research on why it works so well to treat inflammatory skin conditions like eczema and help accelerate wound healing. If you have sensitive skin, you’ll definitely want to check out this list of our favorite cica-infused products: https://www.allure.com/gallery/cica-skin-care-products (Special thanks to cosmetic chemist Marisal Mou)

Without our body’s natural ceramides, our skin cells would dry up and shrivel. Apply ceramides topically, and these lipids help your skin cells not just survive, but thrive. Here are some of our favorite ceramide-enriched products to get you started: https://www.allure.com/gallery/best-ceramide-skin-care-products (Special thanks to Dermatologist Elyse Love)