Polyquaternium 4/Hydroxypropyl Starch Copolymer

1. Definition Polyquaternium 4/Hydroxypropyl Starch Copolymer:

Polyquaternium 4/Hydroxypropyl Starch Copolymer is a conditioning agent commonly used in cosmetics and personal care products. It is a copolymer of Polyquaternium-4, a quaternary ammonium compound, and Hydroxypropyl Starch, a modified starch derivative.

2. Use:

Polyquaternium 4/Hydroxypropyl Starch Copolymer is primarily used in hair care products such as shampoos, conditioners, and styling products. It helps to improve the texture and manageability of the hair, making it easier to comb and style. Additionally, it provides a conditioning effect, leaving the hair feeling soft and smooth.

3. Usage Polyquaternium 4/Hydroxypropyl Starch Copolymer:

When using products containing Polyquaternium 4/Hydroxypropyl Starch Copolymer, it is important to follow the instructions provided on the packaging. It is generally safe for use in cosmetics, but individuals with sensitive skin or allergies should perform a patch test before using the product on a larger area of skin. If any irritation or adverse reaction occurs, the product should be discontinued.

4. References:

- "Polyquaternium-4." Cosmeticsinfo.org, www.cosmeticsinfo.org/ingredient/polyquaternium-4.

- "Hydroxypropyl Starch." The Good Scents Company, www.thegoodscentscompany.com/data/st1366252.html.

- Lodeiro, Carlos, et al. "Synthesis and Characterization of Hydroxypropyl Starch." Carbohydrate Polymers, vol. 61, no. 2, 2005, pp. 142-148.