Sodium xylene sulfonate, 1 L

Sodium Xylenesulfonate: A Versatile Hydrotrope for Cosmetic Formulations

Discover the multifaceted benefits of Sodium Xylenesulfonate, a highly effective hydrotrope widely utilized in the cosmetic industry to enhance the stability, solubility, and overall performance of various formulations. This anionic surfactant plays a crucial role in ensuring the clarity and homogeneity of complex cosmetic mixtures, particularly those containing poorly water-soluble ingredients like fragrances, oils, and certain preservatives. Its unique molecular structure allows it to increase the apparent solubility of these hydrophobic substances in aqueous solutions, preventing separation, precipitation, and cloudiness, ultimately leading to aesthetically pleasing and functionally superior cosmetic products.

Applications and Areas of Use in Cosmetics:

Sodium Xylenesulfonate's exceptional hydrotropic properties make it an indispensable component in a diverse range of cosmetic applications:

• Shampoos and Hair Care Products: Acts as a solubilizer for fragrances, essential oils, and conditioning agents, ensuring their even distribution throughout the shampoo base and enhancing the clarity and rinseability of the product. It also contributes to the foaming properties and overall cleansing efficacy.
• Body Washes and Shower Gels: Improves the solubility of perfume oils and other additives, preventing them from separating and maintaining the product's transparency and appealing appearance. It also aids in creating a stable and consistent lather.
• Facial Cleansers and Makeup Removers: Facilitates the incorporation of oil-based makeup removers and fragrances into water-based cleansing formulas, ensuring effective removal of impurities without leaving a greasy residue. It also helps to maintain the clarity of gel and liquid cleansers.
• Skin Care Lotions and Creams: Can enhance the solubility of certain active ingredients and fragrances in lotion and cream formulations, contributing to their uniform distribution and stability over time. It can also improve the texture and feel of the product on the skin.
• Sunscreens: Aids in the solubilization of UV filters, ensuring their even dispersion within the sunscreen emulsion for optimal sun protection and preventing crystallization or separation.
• Fragrance Solubilizers: Its primary function in many cosmetic applications is to solubilize fragrance oils in aqueous systems, creating clear and stable fragrance mists, room sprays (indirectly related to personal care), and perfumed products.
• Toothpastes and Mouthwashes: Helps to solubilize flavor oils and other additives, ensuring their even distribution and contributing to the overall sensory experience of oral care products.
• Liquid Soaps and Hand Washes: Improves the clarity and stability of liquid soap formulations, ensuring the even distribution of fragrances and other additives, and enhancing the foaming properties.

Key Benefits for Cosmetic Formulations:

• Enhanced Solubility: Effectively solubilizes poorly water-soluble ingredients like fragrances, oils, and certain preservatives, preventing separation and ensuring product clarity.
• Improved Stability: Contributes to the long-term stability of emulsions and solutions by preventing the precipitation or crystallization of hydrophobic components.
• Maintained Clarity: Ensures the transparency and appealing appearance of liquid and gel-based cosmetic products.
• Uniform Distribution of Ingredients: Facilitates the even distribution of active ingredients, fragrances, and other additives throughout the formulation, ensuring consistent performance.
• Compatibility with Various Ingredients: Generally compatible with a wide range of anionic, nonionic, and amphoteric surfactants.
• Improved Formulation Aesthetics: Contributes to the overall elegance and consumer appeal of cosmetic products.
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Cosmetic Formulation Example: Clear Tropical Breeze Body Wash

Instructions:

1. In a clean beaker, combine the water and Sodium Xylenesulfonate. Mix until the Sodium Xylenesulfonate is fully dissolved.
2. Slowly add the Sodium Laureth Sulfate (SLES) while gently mixing to avoid excessive foaming.
3. Add the Cocamidopropyl Betaine (CAPB) and mix gently until well incorporated.
4. In a separate small beaker, pre-mix the fragrance oil with a small portion of the Sodium Xylenesulfonate solution (from step 1) to aid in solubilization.
5. Slowly add the pre-mixed fragrance to the main batch while stirring.
6. Add the glycerin and preservative, mixing thoroughly after each addition.
7. Adjust the pH of the formulation if necessary (typically to a slightly acidic pH).
8. Mix gently until the body wash is clear and homogeneous.
9. Transfer the final product to suitable packaging.

Application Recommendations:

• Sodium Xylenesulfonate is typically used at concentrations ranging from 0.5% to 5.0% in cosmetic formulations, depending on the specific application and the amount of hydrophobic ingredients to be solubilized.
• It is often added to the water phase of the formulation.
• When incorporating fragrance oils, it can be beneficial to pre-mix the fragrance with the Sodium Xylenesulfonate or another suitable solubilizer before adding it to the main batch.
• Ensure thorough mixing to achieve a clear and stable final product.
• Consider the overall surfactant system when formulating with Sodium Xylenesulfonate, as it can interact with other surfactants and affect the foaming profile and viscosity of the product.
• Perform stability testing to ensure the long-term clarity and homogeneity of the formulation.