| Customization: | Available |
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| CAS No.: | 131954-48-8 |
| Formula: | N/a |
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Polyquaternium-28 is a synthetic polymer that is widely used in the cosmetics and personal care industry, particularly in hair care products due to its exceptional conditioning properties . It is a cationic polymer, which means it carries a positive charge, allowing it to bind to the negatively charged hair fibers. This interaction helps improve detangling, manageability, and softness of the hair, and can also reduce frizz, enhancing the overall appearance of hair .
The chemical formula of Polyquaternium-28 can vary depending on its specific structure, but it generally consists of repeating units with positively charged quaternary ammonium groups, commonly represented by the formula C16H30ClN3O2 . It is highly soluble in water and has a medium viscosity and a pH of around 7.0 .
Polyquaternium-28 is synthesized through a chemical reaction involving the polymerization of quaternary ammonium compounds. This process typically starts with the reaction of a suitable amine compound with an epoxide or another quaternary ammonium compound, resulting in a polymer with a cationic structure that is effective in hair conditioning and other cosmetic applications .
In addition to hair care, Polyquaternium-28 can also be found in skincare products for its mild conditioning and moisturizing effects. It provides a silky, smooth feel to the skin . The safety profile of Polyquaternium-28 is considered low risk when applied topically, and it is generally regarded as safe for use in cosmetics and personal care products when used as directed .
It is worth noting that Polyquaternium-28, like other cationic polymers, can form complexes with anionic surfactants, which may have different environmental characteristics compared to the charged polycations alone. However, the toxicity of such complexes appears to be similar to that of the polyquaternium alone, indicating that the presence of anionic surfactants does not mitigate the toxicity of the polyquaternium .
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