Polyacrylic acid (PAA) and its derivatives have multiple uses in skin care products, and the following are some of the main applications and benefits:

  1. Thickener: PAA and its derivatives such as carboxymethyl cellulose (Carbomer) are commonly used as thickeners in cosmetics and skin care products, which can improve the sensory experience and stability of the product, making it feel smoother and more pleasant.
  2. Texture enhancer : As a texture enhancer, PAA helps maintain the softness and richness of the product while providing a conditioning effect for the skin.
  3. Film forming agent : PAA can act as a film forming agent to form a thin and flexible film on the skin, which helps protect the skin after washing and provides a smooth touch.
  4. Emulsion stabilizer : Polyacrylic Acid helps to stabilize lotion and keep different components in the product evenly dispersed, thus improving the efficacy and consistency of the product.
  5. pH sensitivity: Due to its sensitivity to pH, PAA can be used to design cosmetics that target specific skin pH environments, such as acidic environments in tumor treatment.
  6. Safety: According to the evaluation of the cosmetic ingredient review expert group, PAA derivatives such as sodium polyacrylate are safe to use in cosmetics and personal care products as long as the formula avoids causing skin irritation.
  7. Vegetarianism friendly : PAA derivatives are synthetic and commonly considered as vegetarian ingredients, suitable for use by vegetarians.
  8. Multifunctional : PAA can perform multiple functions in skin care products, including adhesion, emulsion stabilization, film-forming, and viscosity control.

Overall, PAA and its derivatives play an important role in skin care products by providing sensory pleasure and enhancing product stability, helping active ingredients to better function.
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