The present invention relates to a composition for skin external application. Specifically, a composition for skin external application comprising a stably formed lamella liquid crystal phase can be provided according to the present invention. In addition, according to the present invention, the composition can provide excellent skin moisturizing and skin barrier strengthening effects upon application on the skin, as well as act effectively as an agent for a cannabinoid type 1 receptor, such that it is expected that the present invention can provide a very effective effect for treatment or improvement of skin diseases and mental disorders associated with skin diseases.