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Contains harmful ingredientsSTOP
OLAPLEX
No.4P Blonde Enhancer Toning Shampoo
Last verified: March 31, 2026
- Water/Aqua/Eau
- Sodium C14-16 Olefin Sulfonate
- Cocamidopropyl Betaine
- Glycerin
- Sodium Chloride
- Sodium Cocoamphoacetate
- Bis-Aminopropyl Diglycol Dimaleate
- Betaine
- Acrylates Copolymer
- Polyquaternium-7
- Guar Hydroxypropyltrimonium Chloride
- Citric Acid
- Ethylhexylglycerin
- Phenoxyethanol
- Sodium Benzoate
- Fragrance (Parfum)
- Limonene
- Hexyl Cinnamal
- Acid Violet 43 (CI 60730)
Why This Product is Rated STOP
No.4P Blonde Enhancer Toning Shampoo by OLAPLEX has been evaluated by Million Marker and contains ingredients with known health concerns. This product is rated STOP, indicating higher concern.
We recommend avoiding STOP-rated products and seeking safer alternatives from our GO or SLOW categories.
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