Gently cleanse without stripping with the Olaplex No.4Fine Bond Maintenance Shampoo. It is clinically proven to double your hair’s volume instantly, maintaining lift all day while repairing everyday damage in one wash. The ultra-lite lather gently lifts away buildup, never stripping — leaving your hair weightlessly clean, soft, shiny, and full of body and bounce. Formulated for straight, wavy, curly, or coily hair with fine texture– plus all porosity levels. 

Clinical results:

• 2x more volumised hair, instantly and all day*
• 2x stronger hair at a molecular level*
• 60% reduction in breakage*
• 90% more weightless hydration*
• 90% easier detangling*

*When used as a system with No.5Fine Bond Maintenance Conditioner.

Key ingredients:

• Flexible Polymers: Help to provide volume and lift at the roots.
• Patented OLAPLEX Bond Building Technology™: Strengthens hair and repairs damage on a molecular level by rebuilding the disulfide bonds that give hair its strength.
• Low Molecular Weight Hyaluronic Acid: Promotes soft, hydrated hair.
• Hydra-Balancing Matrix: Leaves fine hair weightlessly clean and hydrated without over-conditioning.

 How to use: Dispense and emulsify in the palm of your hands. Apply to wet hair. Lather thoroughly and rinse well. Follow with the No.5Fine Bond Maintenance Conditioner.