Cyclomethicone is a generic name for a mixture of cyclic dimethyl polysiloxane compounds that conform to the formula, where n has a value between 4 and 6.

이 원료는 다음의 구조를 갖는 사이클릭다이메틸폴리실록세인 화합물의 일반명이다. n이 3이면 사이클로트리실록산, n이 4이면 사이클로테트라실록산, n이 5이면 사이클로펜타실록산, n이 6이면 사이클로헥사실록산, n이 7이면 사이클로헵타실록산이다.

출처: MFDS cosmetics ingredient component information

식약처 원료 정의: 이 원료는 다음의 구조를 갖는 사이클릭다이메틸폴리실록세인 화합물의 일반명이다. n이 3이면 사이클로트리실록산, n이 4이면 사이클로테트라실록산, n이 5이면 사이클로펜타실록산, n이 6이면 사이클로헥사실록산, n이 7이면 사이클로헵타실록산이다.

출처: MFDS cosmetics ingredient component information

JCIA 표시명 シクロメチコン: 本品は、次の化学式で表される環状ジメチルシロキサン化合物である。

출처: Japan Cosmetic Industry Association labelling names

Restriction Entry 1388 of Annex II corresponds to D4 (Cyclotetrasiloxane). If Cyclomethicone contains D4 then entry II/1388 applies. Restricted under COMMISSION REGULATION (EU) 2024/1328. 1. Shall not be placed on the market (a) as a substance on its own; (b) as a constituent of other substances; or (c) in mixtures; in a concentration equal to or greater than 0,1 % by weight of the respective substance after 6 June 2026. [...] 3. By way of derogation: (a) for D4 and D5 in wash-off cosmetic products, paragraph 1, point (c), shall apply after 31 January 2020. For the purposes of this point, “wash-off cosmetic products” means cosmetic products as defined in Article 2(1), point (a), of Regulation (EC) No 1223/2009 of the European Parliament and of the Council (*1) that, under normal conditions of use, are washed off with water after application; (b) for all cosmetic products other than the ones mentioned in paragraph 3(a), paragraph 1 shall apply after 6 June 2027. · SCCS opinion: Opinion on Cyclomethicone: D4 and D5; Opinion on Octamethylcyclotetrasiloxane (D4)

출처: European Commission CosIng

Reviewed by CIR: Safety assessment of Cyclomethicone, Cyclotetrasiloxane, Cyclopentasiloxane, Cyclohexasiloxane and Cycloheptasiloxane

출처: Cosmetic Ingredient Review

Reviewed by CIR: Final Report on the Safety Assessment of Cyclomethicone

출처: Cosmetic Ingredient Review