Skin external preparation which has excellent stability and can be stored at a low temperature for a long term without forming sedimentation or clumps农业专利-农业学术服务平台

摘要：: Provided is a skin external preparation with excellent stability comprising amber extract obtained by extracting amber with water or organic solvent and which does not form sedimentation or clumps even when being stored at a low temperature of about 4 DEG C for a long term. The skin external preparation contains an amber extract obtained by extracting amber with water or organic solvent and malic acid or a salt thereof.本發明之課題係提供一種含有將琥珀以水或有機溶劑萃取後而得之琥珀萃取物,且具備於約4℃低溫長期保存後亦不會生成沈澱與塊狀物之優異安定性的皮膚外用劑。本發明之皮膚外用劑係含有將琥珀以水或有機溶劑萃取後而得之琥珀萃取物、及蘋果酸或其鹽。