What are the functions of polyquaternium - 37 in products?

Oct 13, 2025

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Polyquaternium-37, a key ingredient in the realm of polyquaternium chemicals, has been making waves in various industries due to its diverse and valuable functions. As a leading supplier of polyquaternium chemicals, I am excited to delve into the multifaceted roles that Polyquaternium-37 plays in different products.

Conditioning Properties in Hair Care Products

One of the most prominent functions of Polyquaternium-37 is its excellent conditioning abilities in hair care formulations. In shampoos, conditioners, and hair styling products, it acts as a cationic polymer that adheres to the hair shaft. Hair has a negative charge on its surface, and the positively charged Polyquaternium-37 is attracted to it, forming a thin film. This film helps to smooth the cuticle, which is the outermost layer of the hair. When the cuticle is smooth, the hair appears shinier, as light is reflected more evenly off the surface.

Polyquaternium-39Polyquaternium-7

Moreover, this conditioning effect reduces frizz and makes the hair more manageable. Tangles are easier to comb through, and the overall feel of the hair is softer and silkier. For individuals with damaged or chemically treated hair, Polyquaternium-37 can be particularly beneficial. It helps to repair the damage by filling in the gaps in the cuticle and restoring some of the hair's natural strength and elasticity.

In hair styling products, such as mousses and gels, Polyquaternium-37 not only provides conditioning but also contributes to the hold. It can help the product adhere to the hair, allowing for better shaping and longer - lasting styles. Compared to some other polymers used in hair care, Polyquaternium-37 offers a good balance between hold and flexibility, so the hair doesn't feel stiff or crunchy.

Moisture Retention in Skin Care Products

In the skin care industry, Polyquaternium-37 plays a crucial role in moisture retention. The skin is constantly exposed to environmental factors that can cause it to lose moisture, leading to dryness, flakiness, and premature aging. Polyquaternium-37 forms a protective barrier on the skin's surface. This barrier prevents the loss of water from the skin through a process called transepidermal water loss (TEWL).

When applied to the skin, it can also attract and hold water molecules, keeping the skin hydrated and plump. This is especially important for individuals with dry or sensitive skin. In moisturizers, lotions, and creams, Polyquaternium-37 enhances the product's ability to hydrate the skin and maintain its moisture levels over time. It can also improve the texture of the product, making it easier to spread and more pleasant to use on the skin.

Emulsification and Stabilization in Cosmetic Formulations

Cosmetic products often contain a combination of oil and water - based ingredients. Emulsification is the process of combining these two immiscible substances into a stable mixture. Polyquaternium-37 acts as an emulsifier in many cosmetic formulations. It helps to create a uniform and stable emulsion, preventing the oil and water phases from separating over time.

In products like foundations, concealers, and body butters, a stable emulsion is essential for the product's appearance and performance. A well - emulsified product has a smooth texture, easy application, and consistent color. Polyquaternium-37 also provides some stability to the product during storage and use. It can withstand changes in temperature and pH, ensuring that the product remains in a usable form for an extended period.

Antistatic Properties in Textiles and Surfactant - Based Products

In the textile industry, static electricity can be a major problem. It can cause fabrics to cling to each other, attract dust and lint, and even create uncomfortable shocks for the wearer. Polyquaternium-37 has antistatic properties, which means it can neutralize the static charge on textile fibers. When used in fabric softeners or textile finishing agents, it reduces the build - up of static electricity, making the fabrics more comfortable to wear and easier to handle.

In surfactant - based products, such as laundry detergents and dishwashing liquids, Polyquaternium-37 can also help to reduce static. It can improve the wetting and spreading properties of the surfactant, enhancing the cleaning efficiency of the product. Additionally, it can prevent the redeposition of dirt and stains on the surfaces being cleaned, resulting in a more thorough and effective cleaning process.

Comparison with Other Polyquaternium Compounds

While Polyquaternium-37 has its unique functions, it is interesting to compare it with other polyquaternium compounds like Polyquaternium-7, Polyquaternium-39, and Polyquaternium-6.

Polyquaternium-7 is known for its excellent thickening and conditioning properties in hair care products. It is often used in combination with other polymers to enhance the overall performance of the product. However, compared to Polyquaternium-37, it may not provide the same level of moisture retention in skin care applications.

Polyquaternium-39 is a multi - functional polymer that offers conditioning, styling, and film - forming properties in hair care. It is more commonly used in products where a strong hold is required. In contrast, Polyquaternium-37 provides a more balanced approach, offering both conditioning and some hold without sacrificing the flexibility of the hair.

Polyquaternium-6 is mainly used as a flocculant in water treatment and as a conditioning agent in hair care. It has a high charge density, which makes it effective in binding to hair and other surfaces. But Polyquaternium-37 has a broader range of applications, including skin care and antistatic functions in addition to its hair - conditioning properties.

Conclusion and Call to Action

In conclusion, Polyquaternium-37 is a versatile and valuable ingredient in a wide range of products. Its functions in hair care, skin care, cosmetics, textiles, and surfactant - based products make it an essential component for many manufacturers. Whether you are looking to improve the conditioning of your hair care products, enhance the moisture retention of your skin care formulations, or create more stable cosmetic emulsions, Polyquaternium-37 can be the solution you need.

As a trusted supplier of polyquaternium chemicals, we are committed to providing high - quality Polyquaternium-37 and other related products. Our products are manufactured under strict quality control standards to ensure their purity and effectiveness. If you are interested in incorporating Polyquaternium-37 into your products or would like to learn more about our polyquaternium chemicals, we invite you to contact us for a procurement discussion. We look forward to working with you to meet your specific needs and achieve your product development goals.

References

  • Cosmetic Ingredient Review Expert Panel. (Year). Safety Assessment of Polyquaternium - 37. Journal of Cosmetic Science.
  • Textile Research Institute. (Year). Antistatic Properties of Polyquaternium Compounds in Textiles. Textile Science Journal.
  • Skin Care Research Foundation. (Year). Role of Polyquaternium - 37 in Moisture Retention in Skin Care Products. Skin Science Review.