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

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2-Phenylbenzimidazole5-sulfonic acid and salts

Korean: 페닐벤즈이미다졸설포닉애씨드 및 그 염류 · CAS 0 ·

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 2-Phenylbenzimidazole5-sulfonic acid and salts 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
TW Taiwan	Restricted	MFDS summary (Korean): * 用途(용도) : 防曬劑 (자외선차단제) * 배합한도 : 8% (以acid 計) 8% (산으로서 계산할 때)

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

Also listed as

2-Phenylbenzimidazole5-sulfonic acid and salts 페닐벤즈이미다졸설포닉애씨드 및 그 염류

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 2-Phenylbenzimidazole5-sulfonic acid and salts 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 2-Phenylbenzimidazole5-sulfonic acid and salts 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 2-Phenylbenzimidazole5-sulfonic acid and salts 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 2-Phenylbenzimidazole5-sulfonic acid and salts called on Korean labels?

Korea's MFDS standard Korean name is 페닐벤즈이미다졸설포닉애씨드 및 그 염류.

What is the CAS number of 2-Phenylbenzimidazole5-sulfonic acid and salts?

CAS 0 (from official records).