Olaplex No. 3PLUS Pre-Shampoo
Top PickWhat We Like
- Less breakage at the brush
- Three-minute step before shampoo
- Slots into your existing wash routine
Worth Noting
- 3.53 oz bottle goes fast on long hair
- Size
- 3.53 oz
- Format
- Pre-shampoo treatment
- Used With
- No. 4 Bond Maintenance
- Wait Time
- As little as 3 min
Three times stronger after one use is the line on the front of the box, and the footnote is the part worth reading: Olaplex measures that result with the No. 4 Bond Maintenance shampoo and conditioner in the same wash. That does not make No. 3 a marketing exercise — the bond-building chemistry is the reason the brand exists — but it does mean you are buying one step of a routine rather than a single bottle that does everything.
We still make it the default pick, because nothing else here has as much behind it: a three-minute treatment worked into damp hair before you shampoo, and a consistent record of hair breaking less at the brush afterward. On highlighted hair the change is less about shine than about how much stays on the brush and in the shower drain.
It is a repair treatment, not a conditioner. Hair that is already porous and dry can feel a little brittle after it, so we follow with a hydrating mask or a richer conditioner on the ends rather than treating this as the moisturizing step. That one adjustment makes the difference between hair that feels stronger and hair that simply feels rough.
What we appreciate most is how little it disrupts. It goes on before the shampoo you were going to use anyway, so nothing in your wash day gets replaced, and the three-minute minimum is easy to hit while you are doing something else in the shower. The change builds across repeated washes rather than arriving in one.
Bottom line: We recommend No. 3 as the default for colored or heat-damaged hair: three minutes before shampoo, and less breakage is the change you will notice first.