Products are split into three levels based on ingredient labels
GO
Best choiceSLOW
Contains ingredients with possible health concernsSTOP
Contains harmful ingredientsSTOP
TRESemmé
Keratin Smooth Weightless Conditioner
Last verified: April 29, 2026
- Water (Aqua)
- Cetearyl Alcohol
- Dimethicone
- Stearamidopropyl Dimethylamine
- Ceramide NG
- Arginine
- Lysine HCl
- Hydrolyzed Keratin
- Behentrimonium Chloride
- Fragrance (Parfum)
- Benzyl Alcohol
- Benzyl Salicylate
- Citronellol
- Geraniol
- Hexyl Cinnamal
- Linalool
- Lactic Acid
- Dipropylene Glycol
- Amodimethicone
- Sodium Benzoate
- Sodium Chloride
- Disodium EDTA
- Cetrimonium Chloride
- PEG-7 Propylheptyl Ether
Why This Product is Rated STOP
Keratin Smooth Weightless 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.
Frequently Asked Questions
