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Evidence-based guides to help you understand your skin and the products that work for it.
Why Fragrance-Free Matters for Sensitive, Dry Skin
Fragrance is one of the most common reasons a well-suited product still causes a reaction. Learn the connection between dry and sensitive skin, and which ingredients actually help.
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The Most Evidence-Backed Ingredients for the Appearance of Fine Lines
Retinoids, vitamin C, and SPF have the strongest evidence base for fine lines. Here is what the research actually supports — and what is not worth the price.
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Skincare for Combination Skin — and What Actually Helps the Appearance of Large Pores
Combination skin is the most common skin type and the most confusing to shop for. Here is what the research points to for pores and balance.
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The Best Ingredients for Dry Skin — and Why the Barrier Is the Starting Point
Dry skin is a barrier issue, not just a surface one. These are the ingredients with the strongest evidence base for keeping moisture in.
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What to Look for in Skincare for Oily, Breakout-Prone Skin
Oily, breakout-prone skin responds better to targeted actives than aggressive stripping. Here are the ingredients with a meaningful evidence base.
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Why Fragrance-Free Matters for Sensitive, Dry Skin
Fragrance is a common reason a well-suited product still causes a reaction. Here are the evidence-backed ingredients for sensitive, dry skin.
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What to Look for in Skincare for Oily, Breakout-Prone Skin
Over-stripping oily skin tends to make it worse, not better. These are the ingredients the research points to for oily, acne-prone skin.
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The Best Ingredients for Dry Skin — and Why the Barrier Is the Starting Point
Dry skin is a barrier issue, not just a surface one. These are the ingredients with the strongest evidence base for keeping moisture in.
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Skincare for Combination Skin — and What Actually Helps the Appearance of Large Pores
Combination skin is the most common skin type and the most confusing to shop for. Here is what the research points to for balance and pores.
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The Most Evidence-Backed Ingredients for the Appearance of Fine Lines
The gap between what is claimed and what evidence supports is widest here. Here is the short list that actually has research behind it.
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Niacinamide: What It Does and Which Skin Types It Suits
One of the most broadly useful actives in skincare. Here is what the research points to, which skin types benefit, and how it fits into a routine.
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Can You Use Niacinamide and Vitamin C Together?
The idea that these two cancel each other out traces back to outdated research. Here is what current evidence actually shows.
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Is Niacinamide Good for the Look of Large Pores?
Niacinamide appears regularly in formulas for oily and combination skin. Here is what research says about pore appearance and how it fits in.
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Can You Use Niacinamide with Retinol?
Where retinol can make skin more sensitive during the adjustment period, niacinamide's soothing properties make it a natural companion.
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Where Does Niacinamide Go in Your Skincare Routine?
Niacinamide goes after cleansing and before moisturiser, morning or evening. Here is how it fits into a simple routine and what to layer it with.
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Can You Use Niacinamide with Salicylic Acid?
These two ingredients approach oily and breakout-prone skin from different angles. Here is why they work well as a pair and how to layer them.
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