Ingredients
All Ingredients articles
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Why Sea Buckthorn Oil Is Orange, and What It Does for Skin
Sea buckthorn oil is bright orange and can tint your skin. See how it helps dry, dull skin, who should skip it and how to use it without the…
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What Adenosine Does for Fine Lines (and What It Can’t)
Adenosine shows up on a lot of K-beauty wrinkle creams. See what the research says it can do for fine lines, who should skip it and what to…
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Marula Oil Is Made for Dry Skin. Here’s Who Should Skip It
Marula oil is a rich, softening oil for dry skin and dry hair ends. You'll learn how to use it, why acne-prone skin may want to skip it, and…
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Why Jojoba Oil Suits So Many Skin Types
Jojoba oil is a lot like the oil your skin makes on its own, which is why it suits so many people. See how to use it on your face, cuticles…
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What Allantoin Does for Sensitive, Dry and Chapped Skin
Allantoin is a gentle ingredient that soothes dry, chapped and sensitive skin. Find out what it does, who it suits and products to try.
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Is Witch Hazel Good for Your Skin? It Depends on the Bottle
Witch hazel can be great for calm, oily skin and rough on everyone else. See which kind of bottle to look for and who should skip it.
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What Ferulic Acid Does for Your Vitamin C Serum
Ferulic acid shows up on so many vitamin C labels. It's not a must, but it helps your serum stay fresh and work harder, and here's how.
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What Rosehip Oil Can (and Can’t) Do for Your Skin
Rosehip oil gets called nature's retinol, but that goes too far. See what it really does for dry skin and how to work it into your routine.
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What Licorice Root Extract Does for Dark Spots and Redness
Licorice root isn't just candy. It can help fade dark spots and calm redness, and we'll show you who it suits, where it fits in your routine…
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Does Tea Tree Oil Help Acne? How to Use It Safely
Tea tree oil can help mild acne, but it works slowly and the pure oil can sting. Here is how to dilute it and which products already have it…
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Lactic Acid: The Gentler AHA for Dry, Rough Skin
If glycolic acid leaves your cheeks pink and angry, lactic acid may be the gentler swap. It smooths rough, dry skin while it hydrates.
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Can You Use Retinol With Rosacea?
Many people with rosacea can use retinol if they take it slow. See when to wait, how to patch test, and a calm routine to pair it with.
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Is Your Acne Wash Safe to Keep?
The benzoyl peroxide headlines sound scary. Most products tested clean. See what the recalls really mean and how to store your tube so it st…
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How to Use Benzoyl Peroxide
Benzoyl peroxide clears breakouts, but it can bleach your towels. Get tips on which strength to start with and how to use it without irritat…
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Meet BEMT, the New Sunscreen Filter
Have you seen “with BEMT” on a new sunscreen bottle? It’s a filter that’s brand new to US shelves, and here’s what it does and whether it’s…
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Colloidal Oatmeal for Itchy Winter Skin
Finely ground oats can calm itchy winter skin. See how colloidal oatmeal helps, whether a bath or cream works better, and who should skip it…
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How Long Does Retinol Take to Work?
You started retinol, and now you're waiting for results. See what happens week by week, from the adjustment phase to smoother, firmer skin m…
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How Retinol Actually Works for Anti-Aging
Retinol helps skin renew itself and build collagen, but it takes patience. See how it works, how the different retinoids compare, and when t…
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Propolis in Skincare: The Bee-Derived Ingredient for Calm, Glowing Skin
Propolis comes from bees and helps calm and brighten skin. Find out what it does, who it suits and the K-beauty products to try.
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Kojic Acid: The Fungi-Derived Brightener for Stubborn Dark Spots
Kojic acid is a gentle brightener that helps fade stubborn dark spots. It works best with patience and some care to avoid irritation.
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Alpha Arbutin: The Gentle Brightener That Fades Dark Spots Without the Irritation
Alpha arbutin fades dark spots gently, which makes it great for sensitive skin. See how it works and how to add it to your routine.
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Urea in Skincare: The Underrated Ingredient for Rough, Dry Skin
Urea is an underrated ingredient for rough, flaky skin. It hydrates and gently smooths, and the right strength depends on where you use it.
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Glycolic Acid: The Exfoliating Acid for Brighter, Smoother Skin
Glycolic acid can leave skin brighter, smoother and more even. See how it works, how to start without irritation and who should use it.
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Panthenol: The Underrated Ingredient That Calms and Hydrates Skin
Panthenol is a quiet hero for red, thirsty skin. It calms and holds in moisture, and we'll show you who needs it and which products have it.