Product categories: Hair treatments & bond builders
Pre-shampoo and leave-in "bond repair" treatments and masks, read against hair-fibre research.
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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…