Joico – Defy Damage Pro Series 1 358ml – a professional-strength bond-building treatment that helps rebuild and protect hair from chemical, thermal, and mechanical damage.
Product contains:
- Bio-Advanced Peptide Complex – advanced bond-building peptides that help reconstruct weakened hair structure.
- Hydrolyzed Keratin – protein fragments that penetrate the cortex to strengthen and improve elasticity.
- Pro-Vitamin B5 (Panthenol) – moisturizes and smooths the hair shaft for improved manageability and shine.
Product effects:
- rebuilds and strengthens internal hair bonds,
- reduces breakage and split ends,
- improves elasticity and manageability,
- enhances smoothness and reflective shine,
- helps protect hair from future heat and chemical damage.
Recommended for:
- chemically treated or color-treated hair,
- heat-styled and frequently blow-dried hair,
- brittle, weak, or damaged hair,
- clients seeking professional bond repair,
- all hair types needing reinforcement and protection.
How to use:
Apply as the first step in the Defy Damage ProSeries system: distribute evenly through damp hair, comb through to ensure full coverage, then rinse and continue with the next ProSeries step or follow your stylist’s instructions.
Capacity: 358ml
Expiration date: see packaging
Country of origin: United States

