Korean: 산성적색33호 · Functions: hair dyeing
No specific rule on file.
Restricted Annex III/254
Maximum: 0.5 %
Conditions: Product type: Hair dye substance in non-oxidative hair dye products
Source: EU CosIng — Annex III · checked Oct 16, 2026
Approved colorant Annex IV/37
Conditions: Disodium 5-amino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonate and its unsoluble barium, strontium and zirconium lakes, salts and pigments
Source: EU CosIng — Annex IV · checked Oct 16, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How Acid Red 33 is treated in 2 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): (15) The free base and salts of this hair colouring ingredient, unless prohibited under Annex II, are permitted for use. * 단서조항(주석) : (15) The free base and salts of this hair colouring ingredient, unless prohibited under Annex II, are permitted for use. Annex II의 금지된 염모제의 염이나 자유 염기가 아니라면,... |
| TW Taiwan | Restricted | MFDS summary (Korean): ※ 限量標準：係指該成分依產品使用說明書混合後之最高允許使用量。 ※ 本表成分除另有規定外，限使用於染髮劑類產品，其他類化粧品不得掺用。 * 단서조항 : ※ 限量標準：係指該成分依產品使用說明書混合後之最高允許使用量。 ※ 本表成分除另有規定外，限使用於染髮劑類產品，其他類化粧品不得掺用。 ※ 제한 표준 : 제품 사용 설명서에 따라 혼합 후 성분의 최대 허용 사용량을 나타냅니다. ※ 달리 명시되지 않는 한, 이 표의 성분은 머리 염색 제품으로 제한되며 다른 화장품은 혼합 할 수 없습니다. * 用途(용도) : 染髮 (염모제) * 배합한도 : 非氧化性... |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 16, 2026
ACID RED 33 산성적색33호
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.