Hydroxypropyl Starch Phosphate (HSP) is a versatile ingredient commonly used in cosmetics and personal care products. It is chemically a hydroxypropyl ether derivative of Distarch Phosphate, belonging to the carbohydrate family. This lightweight and plant-based (or synthetic) starch functions primarily as a texture enhancer and stabilizing agent in formulations. Here’s a detailed breakdown of its characteristics and applications:

Properties and Functions:

1. Texture Enhancement: HSP improves the spreadability and feel of formulations, giving products a smoother and more desirable texture. Its light, non-greasy feel makes it ideal for a variety of products.
2. Stabilization: It helps stabilize emulsions, ensuring uniform consistency and preventing separation of ingredients in creams, lotions, and other products.
3. Moisture Absorption: The starch-based nature of HSP allows it to absorb excess oils, contributing to a mattifying effect in certain formulations.
4. Thickening Agent: HSP acts as a thickener, giving the desired viscosity to products without being heavy.

Applications in Cosmetics and Personal Care:

• Conditioners and Hair Products: Adds smoothness and enhances the spreadability of hair care formulations.
• Facial and Body Care: Used in creams, lotions, and sunscreens for its stabilizing and textural properties.
• Makeup: Found in powders, foundations, and primers for its lightweight, oil-absorbing quality.
• Cleansing Products: Improves the consistency of body washes and facial cleansers.

Other Names:

HSP might appear on ingredient lists as Distarch Phosphate or Hydroxypropyl Distarch Phosphate, emphasizing its modified starch origins.

Eco-friendly and Safe:

Hydroxypropyl Starch Phosphate is generally recognized as safe for use in cosmetics. It aligns well with eco-conscious formulations due to its plant-derived or biodegradable synthetic base, making it a popular choice in natural and clean beauty products.

This multifunctional ingredient exemplifies how plant-based chemistry supports innovative, effective, and sustainable beauty solutions.