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

rhyme & reason

Quench & Curl Leave-In Conditioner

Last verified: April 10, 2026

  • Aqua (Water)
  • Cetearyl Alcohol
  • Ricinus Communis (Castor) Seed Oil
  • Cocos Nucifera (Coconut) Oil
  • Behentrimonium Chloride
  • Butyrospermum Parkii (Shea) Butter
  • Betaine
  • Panthenol
  • Glycerin
  • Hydrolyzed Vegetable Protein Pg-propyl Silanetriol
  • Citrus Glauca Fruit Extract
  • Acacia Victoriae Fruit Extract
  • Santalum Acuminatum Fruit Extract
  • Isopropyl Alcohol
  • Hydroxyethyl Cellulose
  • Sodium Benzoate
  • Sodium Hydroxide
  • Citric Acid
  • Parfum (Fragrance)
  • Potassium Sorbate
  • Coumarin
  • Eugenol

Why This Product is Rated STOP

Quench & Curl Leave-In Conditioner by rhyme & reason 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 →

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