Head to head
Nº.4 Bond Maintenance Strengthening Shampoo vs Detox Clarifying Hair Shampoo
Olaplex Nº.4 Bond Maintenance Strengthening Shampoo edges out OUAI Detox Clarifying Hair Shampoo, 7.6 to 7.5. It wins on formula and texture and feel, while the Detox Clarifying Hair Shampoo is stronger on results and value.
Benefit fingerprints
What each one does.
Olaplex Nº.4 Bond Maintenance Strengthening Shampoo
OUAI Detox Clarifying Hair Shampoo
Side by side
Every detail, compared.
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- Damage repair
- Split ends
- Frizz control
- Shine
- Scalp care
- Oil control
- Volume
- Shine
- • Bleached, colored or chemically treated hair
- • Medium to coarse hair that needs softness and shine
- • Anyone already using the Olaplex bond treatments
- • Heavy dry shampoo or styling product users
- • Hair dulled by hard water
- • Oily scalps that need a weekly reset
- Sulfate-free, color-safe cleanse built around Olaplex's patented bond-building ingredient
- Reviewers report softer, shinier and less frizzy hair, especially on bleached or colored lengths
- Concentrated formula; brand says 250 ml lasts up to 100 washes
- Removes dry shampoo, styling residue, oil and hard-water buildup, per brand and reviewers
- Includes chelating agents for mineral deposits
- Only needed once or twice a week, so a bottle lasts
- $34 for 250 ml is expensive for a daily shampoo
- Some users find it too gentle for oily scalps or heavy product buildup
- Strong olefin sulfonate cleanser is meant for occasional clarifying rather than gentle daily washing
- Heavily fragranced with dyes, not ideal for sensitive scalps
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Affiliate links — we may earn a commission. How we make money
FAQ
Quick answers.
Which is better, Nº.4 Bond Maintenance Strengthening Shampoo or Detox Clarifying Hair Shampoo?
Olaplex Nº.4 Bond Maintenance Strengthening Shampoo edges out OUAI Detox Clarifying Hair Shampoo, 7.6 to 7.5. It wins on formula and texture and feel, while the Detox Clarifying Hair Shampoo is stronger on results and value.
Which is better value?
Olaplex Nº.4 Bond Maintenance Strengthening Shampoo works out to about $4.02 / oz and OUAI Detox Clarifying Hair Shampoo to about $3.40 / oz, based on typical non-Amazon retail prices when we last checked.
How do you score them?
Both are scored on the same five-factor rubric (results, formula & ingredients, texture & experience, value, community love), using the formula or specs, verified creator reviews, community consensus and value. Brands can’t pay for placement.