Ergothioneine: the mushroom antioxidant with real data
Ergothioneine rides a dedicated transporter into skin cells that vitamin C cannot reach. A look at the mechanism, the clinical data, and the longevity hype.
June 9, 2026 · Maya Chen
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#skincare
Every article tagged skincare, newest first.
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product-science -
product-science Retinal vs Retinol: What One Conversion Step Buys You
Retinal sits one enzyme step from retinoic acid; retinol sits two. Here is what that actually buys you in speed, strength, and irritation, per the clinical data.
June 7, 2026 · Maya Chen
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routines Long-haul flight makeup that survives cabin dehydration
Cabin humidity drops below 20% within an hour. The pre-flight prep, the thin layer to actually fly in, and the fifteen-minute reset after landing.
May 15, 2026 · Layla Hassan
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product-science Cica: what madecassoside actually does to your skin
Cica's marketing is vague. The chemistry isn't. Four triterpenoids do the work, and one of them is doing more than the others. A breakdown of what each does.
May 9, 2026 · Maya Chen
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product-science Niacinamide and vitamin C: the incompatibility myth, debunked
The rule against layering niacinamide with vitamin C traces to old tube-test chemistry. Here is what actually deactivates ascorbic acid, and what does not.
May 7, 2026 · Maya Chen
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product-science What peptides actually do in your moisturizer (and don't)
Peptides are sold as 'Botox in a bottle', but the evidence base is thinner than for retinoids. Here is what each class actually does on real skin.
May 7, 2026 · Maya Chen