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KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.

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Methylchloro isothiazolinone and methyl isothiazolinone solution

Korean: 메칠클로로이소치아졸리논과 메칠이소치아졸리논 용액 ·

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

No specific rule on file.

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 Methylchloro isothiazolinone and methyl isothiazolinone solution is treated in 1 more market, 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
JP Japan	Restricted	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3）5－クロロ－2－メチル－4－イソチアゾリン－3－オン1.0～1.3%及び2－メチル－4－イソチアゾリン－3－オン0.30～0.42%を含む水溶液をいう。 * 【100g당 최대 배합량 (점막에 사용하지 않고 씻어내는 화장품 -Cosmetics not used for mucosa and to be washed away)】 : 0.10 g 메칠클로로이소치아졸리논과 메칠이소치아졸리논 용액으로 사용될때 * 【100g당 최대 배합량 (점막에 사용하지 않고 씻어내지 않는...

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

Also listed as

Methylchloro isothiazolinone and methyl isothiazolinone solution 메칠클로로이소치아졸리논과 메칠이소치아졸리논 용액

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 Methylchloro isothiazolinone and methyl isothiazolinone solution banned in the European Union?

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

Is Methylchloro isothiazolinone and methyl isothiazolinone solution banned in South Korea?

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

Is Methylchloro isothiazolinone and methyl isothiazolinone solution 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 Methylchloro isothiazolinone and methyl isothiazolinone solution called on Korean labels?

Korea's MFDS standard Korean name is 메칠클로로이소치아졸리논과 메칠이소치아졸리논 용액.