This moisturizing leave-in provides instant results and continuous repair and protection from cortex to cuticle. No.5LEAVE-IN™ immediately seals split ends and promotes visibly healthier hair after one use. Go beyond hydration with OLAPLEX Bond Building Technology™ and High-Adhesion Sealing Complex.

Instantly hydrate, soften, and detangle
Immediately seal split ends
Continuously repair and protect
Revives hair health leaving it softer, hydrated, and healthier-looking
12x more moisture after one use*
Up to 88% split-end sealing after one use*
Reduces breakage by 81%*
Heat protection up to 450°F/232°C
Vegan. Color-safe.

*As tested in a clinical facility using curly tresses.

1. Apply 1-2 pumps to clean, damp hair. Add more as needed.
2. Follow with your preferred stylers.

Fine Hair: Begin with 1 pump.
Medium to Coarse Hair: Begin with 2 pumps.

HIGH-ADHESION SEALING COMPLEX: Immediately and continuously mends split ends.
HYDRAMINO REPLENISHING BLEND: Provides hydration, conditioning, detangling, and shine.
FUTURE DAMAGE SHIELD: Helps repair and prevent damage from styling and heat up to 450°F.
OLAPLEX BOND BUILDING TECHNOLOGY™: Re-links the disulfide bonds that give hair its strength and structure.

See the INCI list