To provide a solid base material for skin for external use having a high breaking strength which can be used for a stick-like base material or the like.SOLUTION: The lipid peptide type compound consisting of at least one of the compound represented by the following formula (1) and its analogous compound or a pharmaceutically usable salt thereof, a surfactant, water, 1,3-A solid base material for external use for skin comprising alkanediol.Embedded image (Wherein R1Represents an aliphatic group having 9 to 23 carbon atoms, and R2Represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms which may have a branched chain of 1 or 2 carbon atoms, and R3Is-(CH2)n-X group, n represents a number of 1 to 4, X represents an amino group, a guanidino group,-CONH2Group, or a 5-membered cyclic group or 6-membered cyclic group which may have 1 to 3 nitrogen atoms or a fused heterocyclic group composed of 5-membered ring and 6-membered ring. )Selection drawing None【課題】スティック状の基材等に使用できる破断強度が高い皮膚外用固形基材を提供すること。【解決手段】下記式(1)で表される化合物及びその類似化合物又はそれらの薬学的に使用可能な塩のうちの少なくとも一種からなる脂質ペプチド型化合物と界面活性剤と水と1,3-アルカンジオールとを含む皮膚外用固形基材。【化1】(式中、R1は炭素原子数9乃至23の脂肪族基を表し、R2は水素原子、又は炭素原子数1若しくは2の分枝鎖を有し得る炭素原子数1乃至4のアルキル基を表し、R3は-(CH2)n-X基を表し、nは1乃至4の数を表し、Xはアミノ基、グアニジノ基、-CONH2基、又は窒素原子を1乃至3個有し得る5員環式基若しくは6員環式基又は5員環と6員環から構成される縮合複素環式基を表す。)【選択図】なし
