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

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4-hydroxybenzoic acid and its salts and esters

Korean: p-하이드록시벤조익애씨드, 그 염류 및 에스텔류 (다만, 에스텔류 중 페닐은 제외) ·

KR South Korea (MFDS)

Restricted MFDS restricted ingredients

Conditions (official MFDS text, Korean):
* 배합한도 : ∙ 단일성분일 경우 0.4%(산으로서) ∙ 혼합사용의 경우 0.8%(산으로서)

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

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 4-hydroxybenzoic acid and its salts and esters 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
CN China	Restricted	MFDS summary (Korean): * 【화장품 중 최대사용농도】 배합한도 (일반) : 단일 에스테르: 0.4%(산으로 계산) 혼합 에스테르 : 0.8%(산으로 계산)，프로필아세테이트 및 그 염류,n-부틸아세테이트 및 그 염류의 합은 각 각 0.14%를 초과하면 안됨(산으로 계산)

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

Also listed as

4-hydroxybenzoic acid and its salts and esters 4-하이드록시벤조익애씨드 및 그 염류 및 에스터류 p-하이드록시벤조익애씨드, 그 염류 및 에스텔류 (다만, 에스텔류 중 페닐은 제외)

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.