Is Dallas Thickening Shampoo by R+Co safe?

Dallas Thickening Shampoo is rated STOP by Million Marker due to ingredients with known health concerns. We recommend considering safer alternatives.

What harmful chemicals does Dallas Thickening Shampoo avoid?

Million Marker evaluates products for harmful chemicals including BPA, phthalates, parabens, PFAS, flame retardants, and other endocrine-disrupting compounds. Dallas Thickening Shampoo has been analyzed and rated STOP based on its ingredient profile.

Where can I buy Dallas Thickening Shampoo?

You can purchase Dallas Thickening Shampoo directly from R+Co or search online retailers for the best prices and availability.

How does Million Marker rate Shampoos + Conditioners?

Million Marker rates Shampoos + Conditioners and other products on a GO/SLOW/STOP scale based on ingredient safety analysis. GO products are the safest choices, SLOW products have moderate concerns, and STOP products contain ingredients we recommend avoiding.

Products are split into three levels based on ingredient labels

Best choice

SLOW

Contains ingredients with possible health concerns

STOP

Contains harmful ingredients

STOP

R+Co

Dallas Thickening Shampoo

Last verified: April 3, 2026

Water (Aqua/Eau)
Sodium Lauroyl Sarcosinate
Coco-Glucoside
Lauryl Glucoside
Cocamide MIPA
Sodium Cocoyl Isethionate
Sodium Lauroyl Methyl Isethionate
Acrylates Crosspolymer-4
Glycerin
Phenoxyethanol
Fragrance (Parfum)
Propanediol
Triheptanoin
Coco-Caprylate/Caprate
Coconut Acid
Guar Hydroxypropyltrimonium Chloride
Potassium Sorbate
Caprylyl Glycol
Sodium Isethionate
Polyquaternium-7
Panthenol
Dilinoleic Acid/Butanediol Copolymer
Trisodium Ethylenediamine Disuccinate
Oryza Sativa (Rice) Bran Extract
Tetrasodium Glutamate Diacetate
Sodium Benzoate
Butylene Glycol
Helianthus Annuus (Sunflower) Extract
Serenoa Serrulata Fruit Extract
Cinnamidopropyltrimonium Chloride
Castor Oil/IPDI Copolymer
Tocopherol
Rosmarinus Officinalis (Rosemary) Leaf Extract
Hydrolyzed Quinoa
Biotin
Cocos Nucifera (Coconut) Oil
Brassica Campestris/Aleurites Fordi Oil Copolymer
Eriobotrya Japonica Leaf Extract
Litchi Chinensis Pericarp Extract
Benzyl Alcohol
Hydrolyzed Vegetable Protein
Citric Acid
Disteareth-75 IPDI
Sodium Hydroxide
Limonene

Why This Product is Rated STOP

Dallas Thickening Shampoo 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 →