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Genuinely sensitive skin versus skin you have sensitised — and why the fix is different.
24 articles
Kojic acid is one of the more effective over-the-counter options for fading dark marks — but its instability problems and irritation potential are real, and the gap between its reputation and its evidence base is worth understanding.
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Alpha arbutin is one of the gentler options for fading dark marks and evening out skin tone — but gentler also means slower, and the evidence has limits worth knowing about.
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Double cleansing has become a non-negotiable step in some routines — but the science behind it is simpler than the discourse suggests, and not everyone needs it.
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Snail mucin has gone from niche K-beauty curiosity to mainstream bestseller. The ingredient list is genuinely interesting — but the gap between what's in the filtrate and what reaches your skin is wider than the product pages suggest.
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New active making you break out? It might be purging — or it might be a reaction. The difference matters, because one means the product is working and the other means it needs to go.
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Polynucleotides are the injectable everyone suddenly wants — and the ingredient serum brands are rushing to bottle. The two are not the same thing, and only one of them has much evidence behind it.
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'Sensitive skin' isn't one condition — it can be irritant reaction, allergy, nerve sensitivity or a damaged barrier amplifying everything at once. Working out which is the first step to finding what you can actually tolerate.
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"Sensitive skin" gets used for two different situations that need opposite approaches — a lifelong trait you manage forever, and a temporary reaction you can actually resolve. Confusing the two means either giving up on products unnecessarily or under-treating something genuinely chronic.
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Bakuchiol is marketed as a gentler, plant-derived stand-in for retinol. The headline study behind that claim is smaller and more caveated than the marketing suggests — here's what the evidence actually supports.
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Skincare marketing rewards complexity, but the evidence for most benefit sits in three products, done consistently — everything past that is optional, not essential.
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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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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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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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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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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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Most skincare advice assumes a barrier that works. Eczema-prone skin doesn't have one, which means the usual playbook — layer actives, try new things, optimise your routine — can actively make things worse.
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Stacking retinol, acids and everything else at once tends to end the same way — a barrier that can't tolerate any of them. Recovery is slower than the damage, and rushing it is how people end up back here.
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Vitamin C is one of the most researched skincare ingredients — and one of the most confusing.
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Not all retinoids are created equal. The term covers a family of vitamin A derivatives with vastly different potencies, evidence bases, and effects on skin.
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A vitamin C serum that's oxidised still looks like a vitamin C serum. Degradation in skincare is mostly invisible, which means the product doing nothing useful in your cabinet might still look perfectly fine.
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The same active ingredient can work brilliantly or do almost nothing depending on the pH it's formulated at — a distinction most product labels never mention.
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Stinging products, sudden dryness, a rough texture and shiny-but-tight skin are all barrier distress signals — not signs you need to exfoliate harder. Here's how to spot the pattern and what it means for your routine.
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Rosacea gets bundled into generic 'sensitive skin' advice, but it's a specific, diagnosable condition with its own subtypes, triggers and treatments — recognising which subtype you have changes what actually helps.
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Antioxidants get pitched as a redness cure-all, but the evidence for calming inflamed, reactive skin is real for only a handful of them — and even then, it's supporting evidence, not a treatment.
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