Korean: (1-하이드록티에틸리덴)다이포스포닉애씨드 및 그 염류 · CAS 2809-21-4 ·
No specific rule on file.
No specific rule on file.
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
How (1-Hydroxyethylidene)diphosphonic acid and its salts is treated in 3 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): * 【제한】 적용 및 사용범위 : (a)두발제품 (b)세수비누 * 【화장품 중 최대사용농도】 배합한도 (일반) : (a) 총량 1.5%(에티드로산으로 계산) (b) 총량 0.2%(에티드로산으로 계산) |
| BR Brazil | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : (a) Products for hair care (b) Soaps * 제한 【사용 범위】 : (a) 헤어 케어 제품 (b) 비누 * Restrictions 【Maximum concentration permitted at final product】 : a.- 1.5% (calculated as Etidronic Acid) b.- 0.2% (calculated as Etidronic Acid) * 제한 【완제품에서 허용된 최대... |
| AR Argentina | Restricted | MFDS summary (Korean): * Restrictions 【Field of application and/or use】 : (a) Products for hair care (b) Soaps * 제한 【사용 범위】 : (a) 헤어 케어 제품 (b) 비누 * Restrictions 【Maximum concentration permitted at final product】 : a.- 1.5% (calculated as Etidronic Acid) b.- 0.2% (calculated as Etidronic Acid) * 제한 【완제품에서 허용된 최대... |
Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 17, 2026
(1-Hydroxyethylidene)diphosphonic acid and its salts (1-하이드록티에틸리덴)다이포스포닉애씨드 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.
We found no specific rule for it in the EU's CosIng records. That is not an approval or a safety statement.
We found no specific rule for it in Korea's MFDS records. That is not an approval or a safety statement.
We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.
Korea's MFDS standard Korean name is (1-하이드록티에틸리덴)다이포스포닉애씨드 및 그 염류.
CAS 2809-21-4 (from official records).