Korean: 1-나프톨 · CAS 90-15-3 · Functions: hair dyeing
Restricted MFDS restricted ingredients
Conditions (official MFDS text, Korean):
다만, 1-나프톨은 산화형염모제에서 용법·용량에 따른 혼합물의 염모성분으로서 2.0 % 이하는 제외
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 2026
Restricted Annex III/16
Conditions: Product type: Hair dye substance in oxidative hair dye products After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2,0%
Required label warning: To be printed on the label: Hair colorants can cause severe allergic reactions.
Source: EU CosIng — Annex III · checked Oct 16, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How 1-Naphthol is treated in 6 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 |
|---|---|---|
| CN China | Restricted | MFDS summary (Korean): * 【화장품 중 최대사용농도】 배합한도 (산화형 염색제) : 1% * 라벨에 반드시 표기해야하는 사용조건과 주의사항 : 1-나프톨 함유 |
| AS ASEAN (10 countries) | Restricted | MFDS summary (Korean): * 【Restrictions】 Field of application and/or use : Hair dye substance in oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted. * 제한 【사용 범위】 : 산화형 염모제에서 염색 성분으로 눈썹이나 속눈썹의 염색은 사용금지 * 【Restrictions】 Other limitations and requirements : After mixing under oxidative... |
| TW Taiwan | Restricted | MFDS summary (Korean): ※ 染髮、脫色、脫染及燙髮產品之應刊載之注意事項，應依衛生福利部公告刊載之。 ※ 染髮產品之限量標準：係指該成分依產品使用說明書混合後之最高允許使用量。 ※ 化粧品之外包裝或容器，應明顯標示本表所列成分之注意事項。因外包裝或容器表面積過小或其他特殊情形致不能標示者，應於標籤、仿單或以其他方式刊載之。 ※ 本表所稱之口腔製劑，包含非藥用牙膏、漱口水類及美白牙齒類等化粧品。 ※ 化粧品宣稱效能者，須符合化粧品標示宣傳廣告涉及虛偽誇大或醫療效能認定準則規定。 * 단서조항 : ※ 染髮、脫色、脫染及燙髮產品之應刊載之注意事項，應依衛生福利部公告刊載之。 ※... |
| CA Canada | Restricted | 【Restrictions】 Conditions of Use by product type : (a) In Hair dyes as an oxidizing colouring agent (b) In combination with hydrogen peroxide 【Restrictions】 Maximum Concentration Permitted : (a) 2% (b) 1% |
| BR Brazil | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : Oxidation dye for coloring hairs * 제한 【사용 범위】 : 헤어 착색의 산화형 염모제 * Restrictions 【Maximum concentration permitted at final product】 : 2% * 제한 【완제품에서 허용된 최대 농도】 : 2% * Restrictions 【Other limitations and requirements】 : In combination with... |
| AR Argentina | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : Oxidation dye for coloring hairs * 제한 【사용 범위】 : 헤어 착색의 산화형 염모제 * Restrictions 【Maximum concentration permitted at final product】 : 2% * 제한 【완제품에서 허용된 최대 농도】 : 2% * Restrictions 【Other limitations and requirements】 : In combination with... |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 16, 2026
1-NAPHTHOL 1-나프톨
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.
In the EU's CosIng records it is listed as “Restricted” (EU CosIng — Annex III). A restricted ingredient is allowed within the stated conditions.
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: hair dyeing.
Korea's MFDS standard Korean name is 1-나프톨.
CAS 90-15-3 (from official records).