Korean: 레조시놀 · CAS 108-46-3 · Functions: antioxidant, denaturant, hair dyeing, perfuming
Restricted MFDS restricted ingredients
Conditions (official MFDS text, Korean):
* 배합한도 : <기타배합한도>
∙ 산화염모에 용법용량에 따른 혼합물의 염모성분으로서 2.0%
∙ 기타제품에 0.1%
<염모제>
∙ 산화염모에 2.0 %
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 17, 2026
Restricted Annex III/22
Maximum: (c) 0,5%
Conditions: Product type: (a) Hair dye substance in oxidative hair dye products (b) Products intended for colouring eyelashes (c) Hair lotions and shampoos (For (a) and (b): After mixing under oxidative conditions the maximum concentration applied to hair or eyeslashes must not exceed 1,25 % (b) Professional use only
Required label warning: (a) To be printed on the label: The mixing ratio. “ Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irritated and damaged scalp, — you have ever experienced any reaction after colouring your hair, — you have experienced a reaction to a temporary ‘black henna’ tattoo in the past. Contains resorcinol. Rinse hair well after application. Rinse eyes immediately if product comes into contact with them.‘Do not use to dye eyelashes. (b) To be printed on the label: The mixing ratio. “For professional use only. Contains resorcinol. This product can cause severe allergic reactions. Read and follow instructions.This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase the risk of allergy. Eyelashes shall not be coloured if the consumer: — has a rash on the face or sensitive, irritated and damaged scalp, — has experienced any reaction after colouring hair or eyelashes, — has experienced a reaction to a temporary ‘black henna’ tattoo in the past. Rinse eyes immediately if product comes into contact with them.” (c) Contains resorcinol.’
Source: EU CosIng — Annex III · checked Oct 17, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How Resorcinol is treated in 7 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): <사용제한성분> * 【제한】 적용 및 사용범위 : 헤어로션 및 샴푸 * 【화장품 중 최대사용농도】 배합한도 (일반) : 0.5% * 라벨에 반드시 표기해야하는 사용조건과 주의사항 : 레조르시놀 함유 <사용제한 염색제> * 【화장품 중 최대사용농도】 배합한도 (산화형 염색제) : 1.25% * 라벨에 반드시 표기해야하는 사용조건과 주의사항 : 레조르시놀 함유 |
| AS ASEAN (10 countries) | Restricted | MFDS summary (Korean): * 【Restrictions】 Field of application and/or use : (a) Hair dye substance in oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted. (b) Hair lotions and shampoos * 제한 【사용 범위】 : (a) 산화형 염모제에 염색 성분으로 눈썹이나 속눈썹의 염색은 사용금지 (b) 헤어 로션 및 샴푸에 * 【Restrictions】 Maximum... |
| JP Japan | Restricted | MFDS summary (Korean): * 【제품 타입 또는 목적 (types or intended purposes of cosmetics)】 : すべての化粧品(모든 화장품) * 【100g당 최대 배합량(Maximum amount of ingredient per 100 g)】 : 0.10 g(0.10 g) |
| 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 : Not permitted in cosmetics intended for use on the skin. Additionally see "Coal tar dye." |
| BR Brazil | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : (a) oxidation dye for coloring hair: 1. General use 2. Professional use b) Shampoos and hair lotions * 제한 【사용 범위】 : (a) 헤어 착색의 산화형 염모제: 1. 일반 사용에서 2. 전문가용에서 (b) 샴푸 및 헤어 로션 * Restrictions 【Maximum concentration permitted at final product】... |
| AR Argentina | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : (a) oxidation dye for coloring hair: 1. General use 2. Professional use b) Shampoos and hair lotions * 제한 【사용 범위】 : (a) 헤어 착색의 산화형 염모제: 1. 일반 사용에서 2. 전문가용에서 (b) 샴푸 및 헤어 로션 * Restrictions 【Maximum concentration permitted at final product】... |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 17, 2026
RESORCINOL 레조시놀
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). The maximum allowed is (c) 0,5%. 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: antioxidant, denaturant, hair dyeing, perfuming.
Korea's MFDS standard Korean name is 레조시놀.
1 products we checked list it, for example Mise en Scene Hello Bubble.
CAS 108-46-3 (from official records).