Korean: 구아이아줄렌 · CAS 489-84-9 · Functions: antimicrobial, perfuming
Restricted MFDS restricted ingredients
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 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 Guaiazulene is treated in 3 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 | MFDS summary (Korean): (3) Adopted during the Fifth ASEAN Cosmetic Committee Meeting * 단서조항(주석) : (3) Adopted during the Fifth ASEAN Cosmetic Committee Meeting (3) 제5회 아세안 화장품 위원회에서 채택됨 * Field of application : Colouring agents allowed in all cosmetic products except those intended to be applied in the vicinity of... |
| BR Brazil | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : Dye Substances allowed for all kinds of products, except those applied in the eye area. * 제한 【사용 범위】 : 모든 종류의 제품에서 허용된 염색 성분, 단, 눈 주위에 적용하는 제품은 제외 |
| AR Argentina | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : Dye Substances allowed for all kinds of products, except those applied in the eye area. * 제한 【사용 범위】 : 모든 종류의 제품에서 허용된 염색 성분, 단, 눈 주위에 적용하는 제품은 제외 |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 16, 2026
Guaiazulene 구아이아줄렌
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.
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: antimicrobial, perfuming.
Korea's MFDS standard Korean name is 구아이아줄렌.
24+ products we checked list it, for example Medicube 3H Daily Relief Cream, Neogen A-Clear Acne Foam Cleanser, Neogen A-Clear Aid Soothing Foam Cleanser (100ml).
CAS 489-84-9 (from official records).