Bakuchiol vs retinol: what the clinical trials actually show
Dhaliwal's 2019 trial put 0.5% bakuchiol head-to-head with 0.5% retinol over 12 weeks. The result, the methodology, and where the marketing copy breaks.
May 15, 2026 · Maya Chen
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#product science
Every article tagged product science, newest first.
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product-science Retinyl palmitate: does pro-retinol eye cream actually work?
Pro-retinol eye creams are everywhere. The conversion math from retinyl palmitate to retinoic acid says they barely qualify as retinoids at all.
May 14, 2026 · Maya Chen
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product-science Polyhydroxy acids: the gentle cousin of glycolic
PHAs (gluconolactone, lactobionic acid) exfoliate without the AHA sting. Larger molecules slow the burn. Here's the chemistry and which serums actually deliver.
May 13, 2026 · Maya Chen
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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 Why Your Foundation Turns Orange by Lunch
What everyone calls foundation oxidation is mostly iron oxide pigment agglomerating with sebum and skin pH. Real chemistry, real fixes.
May 6, 2026 · Maya Chen