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Iodopropynyl Butylcarbamate

Korean: 아이오도프로피닐부틸카바메이트 · CAS 55406-53-6 · Functions: preservative

KR South Korea (MFDS)

Restricted MFDS restricted ingredients

Conditions (official MFDS text, Korean):
* 배합한도 : ∙ 사용 후 씻어내는 제품에 0.02% ∙ 사용 후 씻어내지 않는 제품에 0.01% ∙ 다만, 데오드란트에 배합할 경우에는 0.0075% (3세 이하 어린이 사용 금지) ∙ 입술에 사용되는 제품, 에어로졸(스프레이에 한함) 제품, 바디로션 및 바디크림에는 사용금지 ∙ 영유아용 제품류 또는 만 13세 이하 어린이가 사용할 수 있음을 특정하여 표시하는 제품에는 사용금지(목욕용제품, 샤워젤류 및 샴푸류는 제외)

Source: MFDS — cosmetic ingredient use restrictions · checked Oct 17, 2026

EU European Union (CosIng)

Approved preservative Annex V/56

Maximum: a) 0.02% b) 0.01% c) 0.0075%

Conditions: Product type: a) Rinse-off products b) Leave-on products c) Deodorants/antiperspirants Not to be used in oral and lip products a) Not to be used in products for children under 3 years of age, except in bath products / shower gels and shampoos b) Not to be used in body lotion and body cream (13) b) and c) Not to be used in products for children under 3 years of age

Required label warning: a) Not to be used for children under three years of age (11) b) and c) Not to be used for children under three years of age (12)

Source: EU CosIng — Annex V · checked Oct 17, 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 Iodopropynyl Butylcarbamate 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.

MarketStatusConditions
CN ChinaRestricted MFDS summary (Korean): * 【화장품 중 최대사용농도】 배합한도 (일반) : (a) 0.02% (b) 0.01% (c) 0.0075% * 기타 제한조건 및 요구사항 : (a)씻어내는 제품은 3세이하 아동제품에 사용금지(바디워시와 샴푸에는 사용가능;입술부위 제품에 사용금지) (b)씻어내지 않는 3세 이하 아동 제품에 사용금지;입술부위 제품에 사용금지; 바디로션 및 바디크림에 사용금지 (c)제취제품과 제한제를 제외하고, 3세 이하 아동 제품에 사용금지; 입술 부위 제품에 사용금지 * 라벨에 반드시 표기해야하는 사용조건과 주의사항 : 3세 이하 아동 사용 금지(4)
AS ASEAN (10 countries)Restricted MFDS summary (Korean): * 【Restrictions】 Maximum authorised concentration in the finished cosmetic product : (a) rinse-off products: 0.02 % (b) leave-on products: 0.01 % except in deodorants & antiperspirants: 0.0075 % * 제한 【완제품에서 허용된 최대 농도】 : (a) 씻어내는 제품 : 0.02 % (b) 씻어내지 않는 제품 : 0.01 % 단, 데오도런트 & 지한제 : 0.0075 % *...
JP JapanRestricted MFDS summary (Korean): (注1)空欄は、配合してはならないことを示し、○印は、配合の上限がないことを示す。 (注6)エアゾール剤へ配合してはならない。 * 【100g당 최대 배합량 (점막에 사용하지 않고 씻어내는 화장품 -Cosmetics not used for mucosa and to be washed away)】 : 0.02 g * 【100g당 최대 배합량 (점막에 사용하지 않고 씻어내지 않는 화장품 - Cosmetics not used for mucosa and not to be washed away)】 : 0.02 g * 【100g당 최대 배합량...
TW TaiwanRestricted MFDS summary (Korean): (2) 倘確實非涉及使用於三歲以下孩童,業者可自行依據產品屬性,判斷是否需刊載注意事項,惟倘產品因未刊載注意事項,致生危害消費者身體、健康時,企業經營者應自負相關責任。 ※ 未列於本表中之防腐劑成分,倘歐、美、日三國家地區政府已公告准用且有其限量管制規定者,我國亦依其限用標準准予使用。 倘前述三國家地區政府管理有差異時,則採其中限量規定方式最安全者。 ※ 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。 * 단서조항 : (2)...
BR BrazilRestricted MFDS summary (Korean): * Restrictions 【Maximum concentration permitted at final product】 : a) 0.02% in rinse-off products b) 0.01% in products not RINSING to n, except in deodorants / antiperspirants c) 0.0075%. Deodorants / Antiperspirants * 제한 【완제품에서 허용된 최대 농도】 : (a) 씻어내는 제품에서 0.02% (b) 씻어내지 않는 제품에서 0.01% 단, 데오도런트...
AR ArgentinaRestricted MFDS summary (Korean): * Restrictions 【Maximum concentration permitted at final product】 : a) 0.02% in rinse-off products b) 0.01% in products not RINSING to n, except in deodorants / antiperspirants c) 0.0075%. Deodorants / Antiperspirants * 제한 【완제품에서 허용된 최대 농도】 : (a) 씻어내는 제품에서 0.02% (b) 씻어내지 않는 제품에서 0.01% 단, 데오도런트...

Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 17, 2026

Also listed as

IODOPROPYNYL BUTYLCARBAMATE 아이오도프로피닐부틸카바메이트

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.

Frequently asked questions

Is Iodopropynyl Butylcarbamate banned in the European Union?

In the EU's CosIng records it is listed as “Approved preservative” (EU CosIng — Annex V). The maximum allowed is a) 0.02% · b) 0.01% · c) 0.0075%. It is allowed for that use within the stated conditions.

Is Iodopropynyl Butylcarbamate banned in South Korea?

In Korea's MFDS records it is listed as “Restricted” (MFDS — cosmetic ingredient use restrictions). A restricted ingredient is allowed within the stated conditions.

Is Iodopropynyl Butylcarbamate allowed in cosmetics in the U.S.?

We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.

What is Iodopropynyl Butylcarbamate used for in cosmetics?

The EU's CosIng inventory lists its functions as: preservative.

What is Iodopropynyl Butylcarbamate called on Korean labels?

Korea's MFDS standard Korean name is 아이오도프로피닐부틸카바메이트.

What is the CAS number of Iodopropynyl Butylcarbamate?

CAS 55406-53-6 (from official records).

Ask KBeauty Verified™
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
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ChatGPT: 2 Claude: 1 Google · Gemini: 0 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 0
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