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

Korean: 아이소부탄 · Functions: propellant

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 Isobutane is treated in 5 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 —
AS ASEAN (10 countries)Restricted MFDS summary (Korean): Isobutane, if it contains = >0,1% w/w Butadiene^부타디엔 0.1%w/w이상 함유하는 경우에 한함
CA CanadaRestricted 【Restrictions】 Maximum Concentration Permitted : 0.1% w/w of 1,3-butadiene (106-99-0)
BR BrazilRestricted MFDS summary (Korean): Isobutane, if it contains = >0,1% w/w Butadiene^부타디엔 0.1%w/w이상 함유하는 경우에 한함
AR ArgentinaRestricted MFDS summary (Korean): Isobutane, if it contains = >0,1% w/w Butadiene^부타디엔 0.1%w/w이상 함유하는 경우에 한함

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

Also listed as

Isobutane 아이소부탄

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 Isobutane 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 Isobutane 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 Isobutane 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 Isobutane used for in cosmetics?

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

What is Isobutane called on Korean labels?

Korea's MFDS standard Korean name is 아이소부탄.

Ask KBeauty Verified™
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
Reading time:
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Claude: 1 ChatGPT: 0 Google · Gemini: 0 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 0
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Claude1
ChatGPT0
Google · Gemini0
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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 →