Sodium Lauryl Sulphate (SLS) (vảy)

Sodium Lauryl Sulphate (SLS) – Flake-form surfactant used in cosmetics

1. Introduction

Sodium Lauryl Sulphate (SLS) is a strong anionic surfactant with the chemical formula C12H25SO4Na, typically appearing as white or off-white flakes. In the cosmetics industry, SLS is widely used for its excellent foaming ability, surface tension reduction, and grease dispersion, which enhances cleansing effectiveness.

 

2. Applications in cosmetics and personal care

2.1 Facial cleansers, body wash, shampoo

• A primary ingredient that helps create foam, disperse dirt and oil from skin and hair

• Provides a smooth feel and easy rinse-off, effectively cleanses while saving active ingredients

2.2 Toothpaste and oral care products

• SLS quickly generates foam during brushing, enhancing the spread of toothpaste

• Aids in plaque removal and boosts whitening performance

2.3 Makeup removers, exfoliants

• Efficiently emulsifies oil-based makeup, making it easy to remove dirt and cosmetics

2.4 Foaming cosmetics, bubble masks

• Acts as a foam activator in products designed for deep pore cleansing and professional skincare effects

3. Key advantages

• Dry flake form, easy to transport and measure

• Quickly dissolves in water, leaves no residue, minimally affects product color

• Strong surfactant activity, effective at low dosages

• Affordable and suitable for industrial-scale production

4. Technical information

• Name: Sodium Lauryl Sulphate (SLS)

• Form: White or off-white flakes

• Purity: ≥ 93%

• pH: 7.0 – 9.5 (1% solution)

• Packaging: 20–25kg bags

• Origin: China / India / Malaysia

• Storage: Store in a dry, cool place away from direct sunlight

5. Conclusion

SLS in flake form is an ideal choice for cosmetic manufacturers seeking strong foaming performance, effective cleansing, affordable cost, and compatibility with various formulations. With high stability and ease of use, it is widely applied in both mass-market and premium personal care products.