Product categories: Haircare
Bond builders, scalp treatments, oils and shampoos: hair-fibre chemistry and trial evidence behind the claims.
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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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D Weak or undercut by formula
Do bond builders really rebuild broken bonds? Olaplex, K18, L’Oréal and OGX, read against the chemistry
Bleach turns the hair’s disulfide bonds into cysteic acid. Brands now promise to rebuild them in three minutes. We read four bond treatments against…