Korean: 아젤라익애씨드 · CAS 123-99-9 · Functions: buffering, fragrance
Restricted MFDS restricted ingredients
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 17, 2026
No specific rule on file.
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How Azelaic Acid is treated in 4 more markets, from the overseas cosmetic regulation database compiled by Korea's MFDS. Always confirm with the regulator of that country before selling there.
| Market | Status | Conditions |
|---|---|---|
| AS ASEAN (10 countries) | Restricted | — |
| CA Canada | Restricted | 【Restrictions】 Maximum Concentration Permitted : 14% |
| BR Brazil | Restricted | — |
| AR Argentina | Restricted | — |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 17, 2026
AZELAIC ACID 아젤라익애씨드
Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.
A dicarboxylic acid found in grains. Used in cosmetics at low levels; higher strengths are prescription medicines in many countries.
We found no specific rule for it in the EU's CosIng records. That is not an approval or a safety statement.
In Korea's MFDS records it is listed as “Restricted” (MFDS — cosmetic ingredient use restrictions). A restricted ingredient is allowed within the stated conditions.
We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.
The EU's CosIng inventory lists its functions as: buffering, fragrance.
Korea's MFDS standard Korean name is 아젤라익애씨드.
24+ products we checked list it, for example Cos De BAHA 15% Azelaic Acid High-Strength Serum with MSM for Acne, Hyperpigmentation & Skin Clarity 30ml, Cos De BAHA Alcohol Free Acne Treatment Intensive Facial Serum with Azelaic acid 5%, Niacinamide 10%, Salicylic Acid, Retinol, Tea Tree - Fast & Efficient Cystic Acne, Age-Defying Formula 1oz (30ml), Anua Azelaic 10 Hyaluron Redness Soothing Pad.
CAS 123-99-9 (from official records).