Brands: The Ordinary
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C Plausible, thin evidence
Rosemary oil vs minoxidil: what the one trial really showed, and four ‘hair growth’ bottles graded
‘Rosemary oil works as well as minoxidil’ traces back to a single 100-person trial with no placebo group, against the weaker 2% strength. We…
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C Plausible, thin evidence
‘Botox in a bottle’? What Argireline peptide serums can and can’t do, with three graded
Argireline was designed in a lab to mimic Botox, and its own inventors reported ‘much lower efficacy than the neurotoxin’. Small trials show modest…
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B Supported, with caveats
Retinol vs retinal under $40: five drugstore retinoids, graded
Retinal sits one conversion step closer to the form that acts in skin. We checked five drugstore retinoids for disclosed strength, price per ml…