PURPOSE: To obtain an aerosol-type cosmetic having a content blended with a lipid containing a highly unsaturated fatty acid, capable of preventing the above lipid from deterioration, excellent in stabilities with time without developing a discoloration, a foul smell, etc., by enclosing nitrogen gas for replacing oxygen in the content with the nitrogen gas.

CONSTITUTION: This aerosol-type cosmetic comprises filling cosmetic content blended with a lipid containing a highly unsaturated fatty acid together with nitrogen gas in a container and replacing oxygen in the content of the cosmetic with the nitrogen gas. As the lipid containing the highly unsaturated fatty acid, α-linolenic acid, γ-linolenic acid, eicosapentaenoic acid, docosahexaenoic acid, etc., are cited. The content of the lipid is preferably 0.0001-30wt.%. The nitrogen gas content is preferably 0.1-10wt.%. The ejecting pressure of the aerosol-type cosmetic at 20°C is preferably 1-8kg/cm2. This aerosol-type cosmetic can be used as a dermal cosmetic, a makeup cosmetic, a hair cosmetic, a detergent, an agent for external use, etc.