Span 120

Description

Span 120, also known as Sorbitan Isostearate, is a versatile ingredient primarily used in personal care products as a water-in-oil (W/O) emulsifier, wetting and dispersing agent, and emulsion stabilizer. It is a nonionic surfactant derived from natural sources and is known for its effectiveness in various applications like sunscreens, cosmetics, and creams.
Here’s a more detailed look at Span 120:
Key Functions:
Water-in-oil (W/O) Emulsifier:
Span 120 excels at creating stable emulsions where water droplets are dispersed within an oil phase.
Wetting and Dispersing Agent:
It helps to evenly distribute pigments and other insoluble ingredients in formulations, making it useful in sunscreens and color cosmetics.
Emulsion Stabilizer:
It helps to prevent separation of emulsions, ensuring a consistent product.
Pigment Wetter:
It improves the dispersion of pigments, leading to better color intensity and uniformity in makeup products.
Applications:
Sun Care:
Used in physical sunscreens (those using mineral UV filters) and after-sun products.
Color Cosmetics:
Effectively disperses pigments in lipsticks, foundations, and other color cosmetics.
Skin Care:
Used in creams, lotions, and other moisturizing products, including baby care.
Hair Care:
Can be found in some rinse-off conditioners and shampoos.