5 min read
Sebum: Friend or Foe?
Oily skin, shiny T-zones, clogged pores — sebum gets blamed for all of it. But it's also doing genuine protective work, and the products that fight it hardest often make oiliness worse, not better.
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59 evidence-led explainers on skincare ingredients, formulation and routines — newest first · page 3 of 5.
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6 min read
Emulsions Explained: Oil-in-Water vs Water-in-Oil
Oil and water don't want to mix — every cream and lotion on your shelf is a small, ongoing chemistry experiment forcing them to. Knowing which type you're using explains a lot about how a product feels, absorbs and layers.
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6 min read
Panthenol: The Reliable Workhorse
Panthenol never trends, never headlines a product, and has genuinely good evidence behind it anyway — it just doesn't produce the kind of before-and-after that sells a serum.
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5 min read
Centella Asiatica: Breaking Down the Actives
Centella asiatica shows up on nearly every 'soothing' product label, but the ingredient list rarely says which of its active compounds are actually present — and that's the detail that decides whether a centella product does much at all.
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5 min read
Squalane: What It Does and Doesn't Do
Squalane has become a skincare staple — a go-to oil for those who don't like oils, a moisturising ingredient that seems to work for everyone.
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6 min read
Glycolic vs Lactic vs Mandelic: AHA Comparison with Evidence
Alpha-hydroxy acids get sold as one category, but glycolic, lactic and mandelic acid behave differently enough that picking the wrong one is a common reason an acid "doesn't work" — or works too well, too fast, in the wrong direction.
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7 min read
Salicylic Acid: Beyond "Unclogs Pores"
Every acne product with salicylic acid uses the same tagline about unclogging pores. That's true, but it undersells an ingredient that's also anti-inflammatory, mildly antibacterial, and one of the few actives that can actually get inside a pore rather than just working the surface.
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6 min read
Tranexamic Acid for Pigmentation: The Emerging Evidence
Tranexamic acid moved from operating theatres to skincare shelves on the back of a genuinely interesting discovery — but the strongest evidence is for the oral, prescription version, and the topical version people are actually buying is thinner and newer than the marketing implies.
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7 min read
Azelaic Acid: The Underrated Multitasker
Retinoids and vitamin C get the headlines. Azelaic acid quietly does three jobs at once — acne, rosacea and pigmentation — with a gentler side-effect profile than most of the ingredients that outrank it in popularity.
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6 min read
Niacinamide: The Evidence and The Limits
Niacinamide (vitamin B3) has become a skincare darling — appearing in everything from serums to sunscreens, praised as a solution for nearly every skin concern.
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7 min read
The Preservative Debate: Safety vs Shelf Life
"Preservative-free" is marketed as inherently safer, but a water-based product with no preservation is often the riskier bottle on the shelf. The chemistry says otherwise.
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8 min read
How to Read a Skincare Study (Without a Science Degree)
Skincare marketing cites "studies" constantly. Most of those studies would fail basic scrutiny — here's what to actually check before a claim earns your trust.
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