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Key Benefits
Powerful Results
*tested on bleached hair
2X
Volume
2X
Strength
60%
reduction in breakage*
Watch It In Action
Recommended Routine
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Take the QuizCommon Questions
Nº.4FINE SHAMPOO and Nº.5FINE CONDITIONER are ultra-light formulas clinically proven to instantly volumize and strengthen fine hair types and all textures. Nº.4 BOND MAINTENANCE SHAMPOO and Nº.5 BOND MAINTENANCE CONDITIONER are highly concentrated, reparative formulas that hydrate and smooth while helping to prevent breakage and frizz for all hair types and textures.
Nº.5FINE CONDITIONER is formulated for instant volumizing and strengthening fine hair types and must be rinsed out after application. Nº.5 BOND MAINTENANCE® CONDITIONER is formulated for strengthening and hydrating all hair types and must be rinsed out after application. Nº.5 LEAVE-IN™ is a leave-in conditioner for all hair types seeking moisture and should be left in the hair after application.
Nº.4FINE SHAMPOO and Nº.5FINE CONDITIONER do not contain protein.
Yes, all OLAPLEX products are compatible and designed to work well together. For a customized OLAPLEX routine, take our Hair Quiz.
Yes, you can mix and match Nº.4FINE SHAMPOO and Nº.5FINE CONDITIONER with other shampoos and conditioners to create a customized routine for your specific haircare needs.
Yes. Nº.4FINE SHAMPOO and Nº.5FINE CONDITIONER are silicone-free and color-safe.
Yes. Nº.4FINE SHAMPOO and Nº.5FINE CONDITIONER are sulfate-free.
No. Nº.4FINE SHAMPOO and Nº.5FINE CONDITIONER will not weigh down fine hair over time with continued use. They are formulated specifically to create instant, all-day volume and weightlessly hydrate.