REVIEWS / COMPARE
Olaplex No. 3 Hair Perfector vs Redken Acidic Bonding Concentrate Shampoo
Redken Acidic Bonding Concentrate Shampoo edges ahead at 8.8 vs 6.6 — but read the trade-offs below; Olaplex No. 3 Hair Perfector may still be the better fit for you.
| Olaplex No. 3 Hair Perfector | Redken Acidic Bonding Concentrate Shampoo | |
|---|---|---|
| RATING | 6.6 / 10 | 8.8 / 10 |
| CONFIDENCE | low | low |
| USER VOICES | 51 | 62 |
| POSITIVE | 42% | 65% |
| PRICE | — | — |
| RECOMMENDED | ✓ Yes | ✓ Yes |
Olaplex No. 3 Hair Perfector
★ STRENGTHS
- No. 3 is widely confirmed as effective for repairing bleach, heat, and color damage
- Bond-building technology targets internal hair structure, not just surface coating
- Only No. 3 is needed — users say other products in the line are interchangeable with cheaper alternatives
✗ WATCH OUT
- Serious contraindication: protein/keratin products after Olaplex cause irreversible hair damage
- Stylist recommends discontinuing after 6 months — not suitable for indefinite use
- Conditioner (No. 5) causes severe tangling and rough texture for some hair types
Redken Acidic Bonding Concentrate Shampoo
★ STRENGTHS
- Effective for bleached and color-damaged hair — multiple verified users report softer, silkier, frizz-free results
- Extends time between washes (3-4 days reported by users with fine/oily hair)
- Established salon brand with consistent formulation quality
✗ WATCH OUT
- One confirmed report of significant hair fallout in user with normal, undamaged hair — may not be suitable for healthy hair types
- Bond 'repair' claims appear overstated — product improves feel but doesn't structurally repair hair
- Citric acid is a photosensitizer; users with visible scalp should be cautious about sun exposure after use
HOW THIS COMPARISON WAS BUILT
Both verdicts are synthesised from real user voices on Reddit, YouTube, Hacker News, ProductHunt, Trustpilot and editorial sources — 51 for Olaplex No. 3 Hair Perfector, 62 for Redken Acidic Bonding Concentrate Shampoo. No paid placement; ratings come from raw sentiment, not our opinion. Read the methodology.