What It Is

Formulated with Olaplex Bond Building chemistry. Restores internal strength and moisture levels to add incredible shine and manageability. For all hair types.A highly moisturizing, reparative shampoo that leaves hair easy to manage, shiny and healthier with each use. N°4 is color-safe, sulfate-free, and proven to reduce breakage and strengthen all types of hair. Key benefits:

• Repairs and maintains bonds within the hair

• Eliminates frizz and flyaways

• Reduces breakage

What It Does

• Helps protect and restore damaged hair by repairing disulfide bonds broken during chemical processing.

• Non- drying, gentle on color treated and chemically processed hair and scalp.

• Leaves hair feeling amazingly clean and bouncy.

• Moisturizes and hydrates thirsty, dry hair.

• Provides moisture and shine which results in radiant-looking and luxurious-feeling hair.

What Else You Need to Know

Product Tip: Use N°5 Conditioner for every hair wash, with N°4 to add extra shine and strength to your hair.