セラミド5 （Ceramide 5）

セラミド5は化粧品基準の別表（配合禁止・配合の制限・防腐剤・紫外線吸収剤）に記載が無く、別表による配合上限の定めはありません。ただし防腐剤・紫外線吸収剤・タール色素として配合する場合は、化粧品基準の別表第3・別表第4とタール色素省令に掲げるもの（ポジティブリスト）に限られます。

日本表示名称

セラミド5

INCI名

Ceramide 5

中国語名称

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CAS番号

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EC番号

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機能

ヘアコンディショニング剤、皮膚コンディショニング

化学名・説明

Ceramide 5 (Retired) is the N-acylated sphingolipid having the erythro structure that conforms generally to the formula, where m has a value ranging from 13 to 27 in which the acyl moiety may be saturated or mono-unsatuarated and n has a value ranging from 10 to 16. Ceramide 5 is similar to Ceramide 4, however, the acylating hydroxy acids are generally longer in Ceramide 5 than in Ceramide 4. The INCI Name, Ceramide 5, originally developed in 1997, was designated with a retired status in 2014. For an interim period of time, trade name assignments formerly published with the INCI Name Ceramide 5 will be retained in the retired monograph, and also published with the new name assignment, Ceramide AS.