Products are split into three levels based on ingredient labels
BIOSILK
Hair Treatment - Silk Therapy Original
Last verified: February 11, 2026
- Cyclopentasiloxane
- Cyclotetrasiloxane
- Dimethiconol
- Cyclohexasiloxane
- Alcohol Denat
- C12-15 Alkyl Benzoate
- Phenoxyethanol
- Panthenol
- Ethyl Ester Of Hydrolyzed Silk
- Fragrance
- Benzyl Benzoate
- Hexyl Cinnamal
- Linalool
- Alpha-Isomethyl Ionone
- Citronellol
- Geraniol
- Hydroxycitronellal
- Butylphenyl Methylpropional
- Eugenol
Why This Product is Rated STOP
Hair Treatment - Silk Therapy Original by BIOSILK 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
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