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How to Use Olaplex No.3 Hair Perfector

This unique hair treatment reduces breakage and visibly strengthens hair, improving its look and feel. Here’s how to use it...

Updated December 22, 2021 by Amanda Dixon

Olaplex no. 3 Treatment

Interested in learning how to use Olaplex No. 3 Hair Perfector to help repair your damaged, color-treated hair? Let’s walk through the three-step process of using this at-home concentrated hair treatment and answer your top questions.

Step 1: Apply a generous amount of No.3 from scalp to ends and comb through. The hair should be fully saturated with the product.

Step 2: Leave on No.3 for a minimum of 10 minutes. The product will reach max efficacy at 30-45 minutes and is actively working as long as your hair remains moist. Those with damaged hair can benefit from leaving on No.3 for 45 minutes.

Step 3: Rinse No.3 from hair and follow up with your shampoo and conditioner regimen.

Should Olaplex No.3 Hair Perfector be used on wet or dry hair?

Olaplex No. 3 Hair Perfector can be applied to wet or dry hair. If using before shampooing, apply to wet, towel-dried hair. If your hair has some build-up from oils or hair products, lightly shampoo the hair and towel dry before applying No. 3. You can also use this treatment on dry hair, but this method will require a little more product to fully saturate your strands.

Can you leave Olaplex No.3 Hair Perfector on overnight?

Olaplex No. 3 is not an overnight or leave-in hair treatment. It was designed to be rinsed from the hair and followed up with your shampoo and conditioner routine. If used overnight, No. 3 won’t lose efficacy or cause hair damage. However, overnight usage is not recommended because it can end up in your eyes.

How often should Olaplex No.3 Hair Perfector be used?

Olaplex No. 3 Hair Perfector can be used once a week or up to two to three times a week to help repair damaged, color-treated hair.

Olaplex No.3 Hair Perfector: Before & After Results 

By regularly treating the hair with Olaplex No. 3, consumers have reported seeing great results after three to four months of usage. This hair treatment is a must-have if you regularly bleach or dye your hair. Olaplex No. 3 effectively repairs damage, strengthening weak hair bonds and restoring shine.

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