Azelaic Acid (CAS 123-99-9) is a naturally occurring dicarboxylic acid found in grains. It combines brightening, anti-inflammatory and anti-acne benefits in a single ingredient — one active, three mechanisms — increasingly used in acne treatments, rosacea management and uneven-tone formulas.
CAS number: 123-99-9 · INCI: Azelaic Acid
Key Benefits for Cosmetic Formulation
- <strong>Key Benefits for Formulation Brightening:</strong> inhibits tyrosinase and evens skin tone Anti-acne: reduces P. acnes and normalizes desquamation Anti-inflammatory: soothes redness and supports rosacea management Multi-benefit: one ingredient, three mechanisms Well tolerated: su
Main Applications in Personal Care
- Main Applications Acne treatment & blemish products: prescription-style actives Rosacea & redness management: anti-inflammatory care Brightening & uneven-tone formulas: tyrosinase inhibiti
Recommended Use Levels
5%–15% in leave-on products; clinical products commonly use 10%–15%
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 5%–15% in leave-on products depending on target efficacy; clinical acne and rosacea products commonly use 10%–15%.
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 Azelaic 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 azelaic acid?
CAS 123-99-9.
What is the INCI name?
Azelaic Acid.
What dosage is recommended?
5%–15% in leave-on products; clinical products commonly use 10%–15%.
What is the melting point?
Approximately 106–109°C. Start Your Azelaic 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 Azelaic 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.