OLAPLEX N°.3 Hair Perfector has the same active ingredient that is in the in-salon treatment products but is formulated for the client to use in between services to maintain that bond multiplying/building process. It is NOT a conditioner and should not be applied in the shower like a conditioner. How To Use Apply a generous amount to towel-dried hair and comb through. Leave on for a minimum of 10 minutes. Keep in mind, the longer it's on, the more effective it is. Rinse, shampoo and condition. Repairs damaged and compromised hair Strengthens and protects hair structure Restores healthy appearance and texture Paraben-Free, Sulfate-Free, Cruelty-Free and Suitable for vegans