Ask KBeauty Verified™
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
Reading time:
Views: 0
ChatGPT: 2 Claude: 0 Google · Gemini: 0 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 0
Read by AI & crawlers
ChatGPT2
Claude0
Google · Gemini0
Perplexity0
Meta AI0
Amazon0
Others0

Named by what the crawler says it is; look-alikes we detect are counted under Others. Google · Gemini includes Googlebot, Google’s search crawler, whose index Google also uses for its AI features; other search engines and bots are in Others. AI visibility →

4- Chlororesorcinol

Korean: 4-클로로레조시놀 · CAS 95-88-5 · Functions: hair dyeing

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

Restricted Annex III/199

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 2.5%

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

US United States (FDA)

No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.

Other markets

How 4- Chlororesorcinol 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.

MarketStatusConditions
CN ChinaRestricted MFDS summary (Korean): * 【화장품 중 최대사용농도】 배합한도 (산화형 염색제) : 0.5%
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 염모제에 염색 성분으로 눈썹이나 속눈썹의 염색은 사용금지 * 【Restrictions】 Other limitations and requirements : After mixing under oxidative...
TW TaiwanRestricted 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。 ※...

Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 16, 2026

Also listed as

4- CHLORORESORCINOL 4-클로로레조시놀

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.

Ask KBeauty Verified™
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
Reading time:
Views: 0
ChatGPT: 2 Claude: 0 Google · Gemini: 0 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 0
Read by AI & crawlers
ChatGPT2
Claude0
Google · Gemini0
Perplexity0
Meta AI0
Amazon0
Others0

Named by what the crawler says it is; look-alikes we detect are counted under Others. Google · Gemini includes Googlebot, Google’s search crawler, whose index Google also uses for its AI features; other search engines and bots are in Others. AI visibility →