Olaplex No.3 Hair Perfector: what it is, who it's for, pros and cons
Olaplex No.3 brought salon bond-building technology home. It is applied to damp hair before shampooing and is especially popular with anyone who bleaches, colors or heat-styles their hair. The current version on Amazon is sold as No.3PLUS.

Best for: Bleached or damaged hair
An at-home, pre-shampoo bond-building treatment designed to strengthen the look of damaged hair.
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What stands out
- Patented bond-building technology
- Pre-shampoo treatment, left on at least 10 minutes
- Suitable for all hair types
- Popular after bleaching or coloring
Keep in mind
- Premium price for the size
- Adds a step before washing
- Results vary depending on the level of damage
Who it's ideal for
Anyone with bleached, colored or heat-damaged hair who wants to improve how it looks and feels.
Who might want to skip it
If your hair is healthy and just a bit dry, a moisturizing mask may be all you need.
Frequently asked questions
How often should I use it?
Olaplex suggests using it at least once a week; very damaged hair may benefit from more frequent use.
Is it a conditioner?
No, it is a treatment used before shampoo and conditioner.

Sounds like a good fit for you?
Check price on Amazon

