Quaternium-80 is a conditioning ingredient found in moisturizing shampoos and conditioners.
A few examples of common quaternium compounds used in hair care products are stearalkonium chloride, cetrimonium chloride, cetrimonium bromide, and behentrimonium methosulfate. These molecules are water soluble, very versatile, and are used in oil-in-water systems as conditioning agents as well as emulsifiers for water insoluble ingredients such as silicones.
- It is reported to be a great emollient and detangler.
Please consult your pharmacist
Source: Naturally Curly, https://www.naturallycurly.com/curlreading/curl-products/an-ingredient-with-ample-slip-zero-buildup/