Olaplex Nº. 6 Bond Smoother
Top PickWhat We Like
- Exceptional frizz control and humidity resistance
- Leaves hair silky smooth and soft
- Salon-quality results that strengthen and repair
- Lightweight formula that does not weigh hair down
Worth Noting
- High cost per ounce; the 3.3 oz bottle may require frequent repurchase for those who use it liberally
- Scent
- Pleasant, non-overpowering
- Weight/Feel
- Lightweight, non-greasy
- Size & Value
- 3.3 oz, premium cost
- Frizz Control
- 72-hour, humidity resistant
Olaplex N6 provides up to 72 hours of frizz control that holds up in high humidity, along with heat protection up to 450°F. The lightweight leave-in cream smooths flyaways and softens hair without adding weight, making it a reliable option for daily styling across different hair types.
A small amount goes a long way — a pea-sized dab is enough for most lengths. The bond-building technology strengthens damaged strands with regular use, and the non-greasy finish allows it to layer under other products. The subtle fragrance is pleasant and fades quickly, so it won’t clash with other scents.
This leave-in is ideal for anyone with frizzy, damaged, or color-treated hair who wants salon-level smoothing without the salon price. The 3.3 oz bottle is compact and premium-priced, so heavy users should expect to repurchase more often. For those who prefer unscented products or need a very large bottle, this may not fit.
Tip: Use a pea-sized amount on damp hair, focusing on mid-lengths and ends, to get the most from each bottle.
Bottom line: If your top priority is effective frizz control and hair strengthening, this concentrated leave-in delivers — just be prepared for the premium price per ounce.