Products are split into three levels based on ingredient labels

GO
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Contains ingredients with possible health concerns
STOP
Contains harmful ingredients
STOP

TRESemmé

Keratin Smooth Color Conditioner

Last verified: April 29, 2026

  • Ceramide NG
  • Arginine
  • Lysine HCl
  • Hydrolyzed Keratin
  • Punica Granatum Seed Oil
  • Camellia Oleifera Seed Oil
  • Water (Eau)
  • Cetearyl Alcohol
  • Dimethicone
  • Stearamidopropyl Dimethylamine
  • Ethylhexyl Methoxycinnamate
  • Behentrimonium Chloride
  • Fragrance (Parfum)
  • Benzyl Alcohol
  • Benzyl Salicylate
  • Hexyl Cinnamal
  • Limonene
  • Linalool
  • Acrylamidopropyltrimonium Chloride/Acrylamide Copolymer
  • Lactic Acid
  • Dipropylene Glycol
  • Amodimethicone
  • Sodium Chloride
  • Disodium EDTA
  • Cetrimonium Chloride
  • PEG-7 Propylheptyl Ether
  • Methylchloroisothiazolinone
  • Methylisothiazolinone

Why This Product is Rated STOP

Keratin Smooth Color Conditioner by TRESemmé 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.

Learn more about how Million Marker scores products →

Frequently Asked Questions

Keratin Smooth Color Conditioner by TRESemmé - Non-toxic Shampoos + Conditioners product rated STOP by Million Marker, free from BPA, phthalates, and parabens