Korean: 포타슘부틸파라벤 · Functions: preservative
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 17, 2026
Approved preservative Annex V/12 a
Maximum: - 0,14% (as acid) for the sum of the individual concentrations - 0,8% (as acid) for mixtures of substances mentioned in entry 12 and 12a, here the sum of the individual concentrations of butyl and propylparaben and their salts does not exceed 0,14%
Conditions: Not to be used in leave-on products designed for application on the nappy area of children under three years of age.
Required label warning: For leave-on products designed for children under three years of age: "Do not use on the nappy area"
Source: EU CosIng — Annex V · checked Oct 17, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How Potassium Butylparaben 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.
| 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) |
| AS ASEAN (10 countries) | Restricted | MFDS summary (Korean): * 【Restrictions】 Maximum authorised concentration in the finished cosmetic product : 0.4% (as acid) for single ester 0.8% (as acid) for mixtures of esters * 제한 【완제품에서 허용된 최대 농도】 : 단일 에스터일때(산으로서) 0,4% 에스터의 혼합일때 (산으로서) 0,8% |
| JP Japan | Restricted | MFDS summary (Korean): * 【제품 타입 또는 목적 (types or intended purposes of cosmetics)】 : すべての化粧品(모든 화장품) * 【100g당 최대 배합량(Maximum amount of ingredient per 100 g)】 : 1.0 as total(合計量として1.0)(합계량으로 1.0 g) |
| TW Taiwan | Restricted | 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 Brazil | Restricted | MFDS summary (Korean): * Restrictions 【Maximum concentration permitted at final product】 : (a) 0,14% (expresso como ácido) para a soma das concentrações individuais. (b) 0,8% (expresso como ácido) para a soma das concentrações individuais das substâncias mencionadas nos itens 11 e 11-A contidos no produto; neste caso... |
| AR Argentina | Restricted | MFDS summary (Korean): * Restrictions 【Maximum concentration permitted at final product】 : (a) 0,14% (expresso como ácido) para a soma das concentrações individuais. (b) 0,8% (expresso como ácido) para a soma das concentrações individuais das substâncias mencionadas nos itens 11 e 11-A contidos no produto; neste caso... |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 17, 2026
POTASSIUM BUTYLPARABEN 포타슘부틸파라벤
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.
In the EU's CosIng records it is listed as “Approved preservative” (EU CosIng — Annex V). The maximum allowed is 0,14% · 0,8% · 0,14%. It is allowed for that use within the stated conditions.
In Korea's MFDS records it is listed as “Restricted” (MFDS — cosmetic ingredient use restrictions). A restricted ingredient is allowed within the stated conditions.
We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.
The EU's CosIng inventory lists its functions as: preservative.
Korea's MFDS standard Korean name is 포타슘부틸파라벤.