Products are split into three levels based on ingredient labels

GO
Best choice
SLOW
Contains ingredients with possible health concerns
STOP
Contains harmful ingredients
STOP

R+Co

Dallas Biotin Thickening Conditioner

Last verified: April 3, 2026

  • Water (Aqua/Eau)
  • Cetearyl Alcohol
  • Behentrimonium Chloride
  • Triheptanoin
  • Isododecane
  • Propanediol
  • Glycerin
  • Phenoxyethanol
  • Fragrance (Parfum)
  • Ethylhexylglycerin
  • Coco-Caprylate/Caprate
  • Hydrogenated Ethylhexyl Olivate
  • Guar Hydroxypropyltrimonium Chloride
  • Cetyl Hydroxyethylcellulose
  • Hydrogenated Olive Oil Unsaponifiables
  • Potassium Sorbate
  • Caprylyl Glycol
  • Dilinoleic Acid/Butanediol Copolymer
  • Cocos Nucifera (Coconut) Oil
  • Glyceryl Stearate
  • Panthenol
  • Oryza Sativa (Rice) Bran Extract
  • Tetrasodium Glutamate Diacetate
  • Citric Acid
  • Helianthus Annuus (Sunflower) Extract
  • Castor Oil/IPDI Copolymer
  • Brassica Campestris/Aleurites Fordi Oil Copolymer
  • Tocopherol
  • Rosmarinus Officinalis (Rosemary) Leaf Extract
  • Hydrolyzed Quinoa
  • Butylene Glycol
  • Serenoa Serrulata Fruit Extract
  • Cinnamidopropyltrimonium Chloride
  • Biotin
  • Benzyl Alcohol
  • Hydrolyzed Vegetable Protein
  • Sodium Benzoate
  • Eriobotrya Japonica Leaf Extract
  • Litchi Chinensis Pericarp Extract
  • Sodium Hydroxide
  • Hydrated Silica
  • Disodium Phosphate
  • Silica Dimethyl Silylate
  • Sodium Phosphate
  • Limonene

Why This Product is Rated STOP

Dallas Biotin Thickening Conditioner by R+Co 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

Dallas Biotin Thickening Conditioner by R+Co - Non-toxic Shampoos + Conditioners product rated STOP by Million Marker, free from BPA, phthalates, and parabens

Where to buy

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