- CAS No: 9007-20-9
- MW: 280.74668
- MF: C15H17ClO3
- EINECS No.: 618-435-5

Carbomer 940 is a high-molecular-weight polymer commonly used in the cosmetic and pharmaceutical industries as a thickening, stabilizing, and suspending agent. It is part of a group of synthetic polymers known as carbomers or carbopol polymers. Carbomers are cross-linked acrylic acid polymers that can absorb and retain large amounts of water, forming a gel-like consistency.

1. Thickening Agent: Carbomer 940 is used to thicken the aqueous phase of cosmetic and pharmaceutical formulations, providing a desirable viscosity and texture to various products.

2. Stabilizing Agent: It helps stabilize emulsions, preventing the separation of oil and water phases in creams and lotions.

3. Suspension Agent: Carbomer 940 is effective at suspending insoluble particles, such as pigments or exfoliating beads, in cosmetic formulations.

Carbomer 940 finds applications in a wide range of cosmetic and pharmaceutical products, including:

1. Skincare Products: It is used in creams, lotions, gels, and serums to provide texture and viscosity, ensuring the product spreads smoothly on the skin.

2. Hair Care Products: Carbomer 940 is found in shampoos, hair gels, and conditioners to enhance product consistency and stability.

3. Topical Medications: It is used in some pharmaceutical products, such as topical gels or ointments, for its thickening and stabilizing properties.

4. Hand Sanitizers: Carbomer 940 can be used in alcohol-based hand sanitizers to thicken the formulation and improve its adherence to the skin.

5. Eye Drops: In some eye drop formulations, Carbomer 940 is used to create a gel-like texture for prolonged contact time with the eye surface.