Stearic Acid (CAS 57-11-4) is a C18 saturated fatty acid — a classic ingredient in soap bars, emulsions and creams. It stabilizes, thickens and contributes the rich lather and body associated with traditional soap and skincare.
CAS number: 57-11-4 · INCI: Stearic Acid
Key Benefits for Cosmetic Formulation
- <strong>Key Benefits for Formulation Soap making:</strong> classic bar-soap fatty acid Emulsion stability: strengthens cream and lotion structure Thickening: builds body and viscosity Pearlizing: contributes to pearlescent effects Versatile: personal care, candle and industrial use
Main Applications in Personal Care
- Main Applications Soap bars & syndets: lather and hardness Creams & lotions: stability and body Makeup: texture and structure Suppositories & pharma: base ingredient Candles & industri
Recommended Use Levels
1%–10% depending on application
EU & Regulatory Notes
te documentation: COA, SDS and heavy metal test reports available on request Flexible supply: MOQ and lead time on inquiry, from R&D samples to mass production Export experience: reliable shipping to EU, North America, Australia and Middle East Recommended Usage Typical use level 1%–10% depending on application; soap formulations use higher levels with saponification.
Cosmetic ingredients supplied for EU markets must be used in compliance with Regulation (EC) No 1223/2009 on cosmetic products. Always verify the current Annex status and concentration limits for your finished product and market before launch; Aogubio provides full documentation (COA, SDS, technical data) to support your registration and safety assessment.
Why Buy Bulk Stearic Acid from Aogubio?
- GMP-certified manufacturing: consistent quality from raw material to finished ingredient
- Complete documentation: COA, SDS and heavy metal test reports with every batch
- Flexible supply: samples to full container loads, MOQ from 1 kg
- Export experience: reliable shipping to EU, North America and Asia
FAQ for Cosmetic Manufacturers
What is the CAS number of Stearic Acid?
CAS 57-11-4.
What is the INCI name?
Stearic Acid.
What is Stearic Acid used for?
Soap making, emulsion stability and cream texture.
What is the recommended use level?
1%–10% depending on application.
What is the melting point?
Approximately 69–72°C. Start Your Stearic Acid Bulk Order Contact our sales team today for spec sheets, samples and bulk pricing — our technical team is ready to support your formulation development.
View the Stearic Acid product page for specifications and to request samples.
Aogubio Co., Ltd (Imaherb) is a GMP-certified manufacturer of bulk cosmetic ingredients. Every batch ships with COA, MSDS and heavy metal test reports.