

FAQ (Frequently Asked Questions)
1. What is Ceteareth-25?
Ceteareth-25 is a non-ionic surfactant and emulsifier used in personal care products to help stabilize emulsions and improve the spreadability of formulations. It is derived from cetyl alcohol and ethylene oxide, making it an excellent choice for creating smooth, uniform textures in creams and lotions.
2. What is the INCI name and CAS number of Ceteareth-25?
CAS Number: 68439-49-6
INCI Name: Ceteareth-25
3. What are the key benefits of Ceteareth-25 in cosmetic formulations?
Effective emulsifier that promotes stable oil-in-water emulsions
Improves product texture, spreadability, and skin feel
Enhances product stability and shelf life
Increases the consistency and smoothness of creams and lotions
Compatible with other surfactants and active ingredients
4. In what types of personal care products is Ceteareth-25 commonly used?
Ceteareth-25 is widely used in:
Facial creams and moisturizers
Body lotions and sunscreens
Hair conditioners and treatments
Makeup removers and cleansers
Shampoos and shower gels
5. Is Ceteareth-25 safe for use in cosmetics?
Yes, Ceteareth-25 is considered safe for use in personal care products when used within recommended concentration limits. However, like other ethoxylated ingredients, it may cause irritation in sensitive individuals or if used in high concentrations.
6. Is Ceteareth-25 derived from natural sources?
Ceteareth-25 is synthetically derived from cetyl alcohol, a fatty alcohol, and ethylene oxide. Although it is not fully natural, it is considered a relatively mild and effective emulsifier for a wide range of cosmetic applications.
7. What is the recommended usage level of Ceteareth-25 in cosmetic formulations?
The typical usage level of Ceteareth-25 ranges from 0.5% to 5%, depending on the formulation and the desired emulsification effect.
8. Is Ceteareth-25 biodegradable and environmentally friendly?
Ceteareth-25 is biodegradable and has a low environmental impact when used in personal care formulations, making it a suitable choice for eco-conscious product lines. However, it's essential to check formulation guidelines and usage recommendations to ensure sustainability.