Actives: Citric acid
Citric acid as an acidic hair-reinforcing agent and pH adjuster.
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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…