Patented Bis - Aminopropyl Diglycol Dimaleate - helps protect and restore damaged hair by repairing disulphide bonds broken during chemical processing. Bleach, peroxide, perms and chemical straighteners damage hair at a molecular level, leaving hair more fragile and susceptible to breaking. 

Bis - Aminopropyl Diglycol Dimaleate is a truly innovative ingredient with protective, nourishing and restructuring action for rejuvenating hair. Only available in Olaplex products.

Mild Sulfate-free surfactants derived from coconuts - Non-drying, gentle on colour treated and chemically processed hair and scalp. Leaves hair feeling clean and bouncy.

Glycerin - Offers excellent moisture balance and brings natural hydration to thirsty, dry hair.

Acetic Acid - A great scalp clarifier to prevent flakiness from forming. Brings out hair's natural shine.

Panthenol - Penetrates the hair shaft to help it feel thicker and increase the strength of hair by giving it elasticity and improved resistance to breakage.

Use every time you shampoo and after rinising Olaplex No. 3 from the hair. Lather and rinse. Repeat.

Follow with Olaplex No.5 Bond Maintenance Conditioner. Part of the Olaplex 3-4-5 regimen. Formualtion Sulfate-free, Paraben-free, Gluten-Free, Vegan, Nut Free, Color Safe.

Restores internal strength and moisture levels to add incredible shine and manageability.