Polyquaternium-10
[CAS# 81859-24-7]

Identification

• Classification: Catalysts and additives >> Polymer
• Name: Polyquaternium-10
• Synonyms: Cellulose 2-hydroxyethyl 2-[2-hydroxy-3-(trimethylammonio)propoxy]ethyl 2-hydroxy-3-(trimethylammonio)propyl ether chloride
• CAS Registry Number: 81859-24-7 (55353-19-0 / 53568-66-4)
• EC Number: 617-262-2

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411

Discovery and Applications

Polyquaternium-10 is a synthetic polymer primarily used in personal care and cosmetic products due to its conditioning and film-forming properties. It is a water-soluble polymer derived from quaternized polyethylenimine, which is a type of nitrogen-containing polymer. Polyquaternium-10 is also known by the names "polyethylenimine hydroxyethyl ether" or "polymer 10."

The discovery of polyquaternium polymers dates back to the mid-20th century, when researchers sought to develop cationic polymers with conditioning properties for hair and skin care products. These polymers, including polyquaternium-10, were designed to interact with the negatively charged surfaces of hair fibers or skin, providing moisturization and reducing static charge, which results in smoother, softer hair and skin. Polyquaternium-10 was introduced to the market as a more stable and effective alternative to earlier formulations of quaternary ammonium compounds, which were often less stable and could be harsh on the skin and hair.

Polyquaternium-10 is widely used in a variety of personal care products, such as shampoos, conditioners, skin creams, and lotions. In hair care formulations, it is valued for its ability to improve the manageability, texture, and appearance of hair by forming a thin, flexible film on the hair shaft. This film helps reduce frizz, prevents moisture loss, and enhances the smoothness of hair. Polyquaternium-10 also helps in detangling hair and minimizing damage during brushing or styling.

In skin care applications, polyquaternium-10 acts as a moisturizer, helping to retain moisture in the skin and preventing dryness. It also functions as a conditioning agent in products like lotions and creams, where it forms a protective barrier on the skin. This barrier helps protect the skin from environmental stressors, while providing a soft, non-greasy feel.

The polymer is valued for its mildness and versatility, making it suitable for a wide range of cosmetic and personal care formulations. It is often preferred in formulations intended for sensitive skin or delicate hair due to its non-irritating nature. Furthermore, polyquaternium-10 is compatible with a wide variety of other ingredients, including surfactants, oils, and botanicals, making it a useful component in complex product formulations.

Polyquaternium-10 has also found use in industrial applications, where its ability to modify the surface properties of materials is beneficial. It can be used as a stabilizer in coatings, adhesives, and paints, where it enhances the performance and durability of the product. Additionally, it may be included in some textile formulations, where it imparts softness and reduces static cling.

Polyquaternium-10 is generally considered to be safe for use in cosmetic products. It is non-toxic, non-sensitizing, and non-irritating when used as directed. However, as with all cosmetic ingredients, it should be used in accordance with recommended guidelines to avoid any potential for adverse reactions. The polymer is biodegradable, making it an environmentally friendly option for personal care formulations.

In conclusion, polyquaternium-10 is a versatile, water-soluble polymer widely used in personal care products for its conditioning and moisturizing properties. Its ability to enhance hair and skin quality has made it an essential ingredient in many shampoos, conditioners, and skin care formulations. The polymer's safety, effectiveness, and compatibility with other ingredients have contributed to its continued use in a variety of cosmetic and industrial applications.

References

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