Designed to reinforce weakened strands, OLAPLEX No. 4 Bond Maintenance Shampoo cleanses while focusing on bond repair. It produces a creamy, moisturizing lather that rinses clean. Best suited for color-treated, chemically processed, or fragile hair in need of regular maintenance, the formula balances gentle cleansing with detangling for everyday salon-grade care.
Ingredient Safety
No risk3
Low risk66
Moderate risk1