A treatment, not a conditioner, that reduces breakage and visibly strengthens hair, improving its look and feel.Key benefits:Repairs damaged and compromised hairStrengthens and protects hair structureRestores healthy appearance andtextureSuitable and beneficial to all hair types.Paraben-FreeSulfate-FreePhthalate-FreeCruelty-FreeVeganSizes available: 3 oz. **OLAPLEX products are thoroughly tested in-house and by independent third-party laboratories for safety and efficacy. This product testing includes the industry standard Human Repeat Insult Patch Test (HRIPT), which tests for skin irritation or sensitivity. All of OLAPLEX products passed the HRIPT, meaning the products show no signs of causing irritation, inflammation, or sensitivity. **