There is provided a solid base material for external use on skin that is usable as a stick-shaped base material or the like, and has excellent thermal stability and a breaking strength sufficiently high. A solid base material for external use on skin comprising a lipid peptide compound comprising at least one of compounds of formula (1)wherein R1 is a C9-23 aliphatic group, R2 is a hydrogen atom or a C1-4 alkyl group optionally having a C1 or C2 branched chain, and R3 is a -(CH2)n-X group, wherein n is a number from 1 to 4, and X is amino group, guanidino group, -CONH2 group, or a 5-membered ring or 6-membered ring optionally having one to three nitrogen atoms or a fused heterocyclic ring composed of the 5-membered ring and the 6-membered ring, and analogue compound thereof, or pharmacologically usable salts thereof, and a surfactant, water, and at least one saturated or unsaturated monohydric alcohol having a carbon atom number of 8 to 30.
