The leading actives include bis-aminopropyl diglycol dimaleate (the Olaplex-category molecule), maleic acid, glyoxylic acid (used in keratin treatments, with regional concentration limits), hydrolyzed keratin, and biomimetic peptides. A qualified cosmetic chemist will select and stabilize these within a pH range of 3.5–6.5 for optimal disulfide bond reinforcement.
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