Understand the barrier, pores, inflammation, irritation, and other processes behind common skin concerns.
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Puberty hormones — not bad hygiene — are what cause most teen breakouts. Here's the two-ingredient routine with real evidence behind it, the habits that quietly make acne worse, and how to know when it's time to see a dermatologist.
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A jar of pure ceramide cream sounds like the ultimate barrier fix. Classic repair experiments found the opposite can happen: apply skin's fats in the wrong mix, and repair can actually stall.
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Maskne isn't just a nickname for regular acne — hours of friction, heat, and trapped moisture under a mask measurably change your skin, and pandemic-era studies show exactly how. Here's what actually helps, and why piling on strong acne acids can backfire.
18 of 18 skin science articles
Skin scienceTeen Acne, Explained: Why It Happens and the Routine That Actually WorksJul 12, 2026 / 5 min read
Skin scienceThe barrier lipid trio: why the ceramide-cholesterol-fatty acid ratio mattersJul 12, 2026 / 5 min read
Skin scienceMaskne: Why Masks Trigger Breakouts, and How to Treat It Without Making It WorseJul 12, 2026 / 6 min read
Skin scienceDehydrated Skin vs. Dry Skin: They're Not the Same, and the Fix Isn't EitherJul 12, 2026 / 5 min read
Skin scienceEnlarged pores: what actually makes them look bigger (and what actually helps)Jul 12, 2026 / 6 min readSkin scienceMilia: Why Those Hard White Bumps Aren't Whiteheads (and You Can't Squeeze Them Out)Jul 12, 2026 / 5 min readSkin scienceSensitive Skin: Sensory Reaction, Thin Barrier, or Real Allergy?Jul 12, 2026 / 6 min readSkin scienceSeborrheic Dermatitis and Dandruff: Why the Flaky, Red Patches Keep Coming BackJul 12, 2026 / 6 min readSkin scienceSebaceous Filaments vs. Blackheads: The Mix-Up Almost Everyone MakesJul 12, 2026 / 5 min readSkin scienceKeratosis Pilaris ("Chicken Skin"): Why It Happens and What Actually HelpsJul 12, 2026 / 5 min readSkin scienceFungal acne: why your acne routine might be feeding itJul 1, 2026 / 7 min readSkin scienceHow the skin barrier worksJun 29, 2026 / 5 min readSkin scienceRosacea, explained: what triggers it and what calms itJun 26, 2026 / 5 min readSkin scienceAcne, explained: the four things going wrong, and what has evidenceJun 25, 2026 / 5 min readSkin sciencePIE vs PIH: why the color of your acne marks decides the treatmentJun 22, 2026 / 3 min readSkin scienceBarrier repair 101: what it is, how it breaks, how it healsJun 20, 2026 / 3 min readSkin sciencePurging vs breaking out: how to tell, and how long to waitJun 17, 2026 / 3 min readSkin scienceThe skin barrier, and why ceramides matterJun 14, 2026 / 3 min read