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Peptide haircare, decoded — ingredient breakdowns, pro routines, and the science behind the Oli G system.

hair science
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Why pH Matters in Hair Care (And Why Most Brands Get It Wrong)

Hair's cuticle opens at alkaline pH and closes at acidic pH. Most haircare ignores this. Here's why pH cycling matters more than any single ingredient claim.

Oli G Club

Peptides vs. Bond Builders: What's the Difference, and Which Does Your Hair Need?

Peptide repair and bond building are two different mechanisms. Learn what each does, when to...