Span 40

Span 40 by Croda is a nonionic sorbitan fatty acid ester and surfactant. It is part of the Span series, which includes various sorbitan esters with different fatty acid chain lengths. Span 40 is commonly known as Sorbitan Palmitate and is used in a wide range of applications, primarily as an emulsifier, dispersing agent, and stabilizer in various industries, including cosmetics, pharmaceuticals, and food.

Description: Span 40 (Sorbitan Palmitate) is a yellowish to amber viscous liquid at room temperature.

Benefits:

1. Emulsification: Span 40 can stabilize oil-in-water emulsions, allowing the incorporation of oils and other lipophilic ingredients into water-based products.

2. Dispersing Agent: It can help disperse hydrophobic substances in water-based systems, improving the dispersibility of certain ingredients like essential oils and fragrances.

3. Stabilization: This surfactant can improve the stability of emulsions and prevent phase separation.

4. Texture Enhancement: Span 40 can contribute to the smooth and creamy texture of cosmetic formulations.

5. Compatibility: It is compatible with a wide range of ingredients, making it versatile for formulating various product types.

Applications:

1. Skincare: Used in creams, lotions, and serums as an emulsifier and stabilizer.

2. Pharmaceuticals: Incorporated into topical pharmaceutical formulations as an emulsifier and dispersing agent.

3. Haircare: Included in hair conditioners and styling products to enhance emulsification and texture.

4. Cosmetics: Used in makeup products like foundations and lipsticks to provide a smooth texture.

5. Food: Employed as an emulsifier and stabilizer in certain food and beverage applications.