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Experience salon-quality repair and hydration with Olaplex No. 4 Bond Maintenance Shampoo, a revolutionary formula designed to strengthen, smooth, and restore all hair types — including color-treated and chemically-processed hair.
Infused with Olaplex’s patented bond-building technology, this highly moisturizing shampoo gently cleanses while re-linking broken bonds within the hair shaft, reducing breakage and frizz. The result is soft, shiny, and healthy-looking hair that’s easier to manage with every wash.
Whether your hair is dry, damaged, or over-processed, No. 4 Shampoo deeply hydrates, repairs, and protects to reveal visibly smoother, stronger strands.
Repairs and strengthens damaged hair by re-linking broken bonds
Reduces frizz, split ends, and breakage for smoother, shinier hair
Color-safe formula that maintains vibrancy and prevents fading
Deeply hydrating and nourishing for all hair types
Helps restore elasticity, shine, and softness
Free from DEA, Aldehydes, and Formaldehyde
Works synergistically with Olaplex No. 5 Conditioner and No. 3 Treatment for best results
Vegan, cruelty-free, and sulfate-free
Size: 250 ml
Target Hair Type: All Hair Types
Hair Treatment Type: Volume & Texture
Department: Women
Hair Concern: Dry & Damaged
Formulation: Liquid Shampoo
Usage: Apply to wet hair, lather well, and rinse. Follow with Olaplex No. 5 Conditioner.