PROBLEM TO BE SOLVED: To provide an oil-based hair cosmetic that is free from squeaky and sticky feeling when applied, provides an effect of imparting smoothness and flexibility equivalent to or better than that of silicone oil even without containing silicone oil, and gives excellent finger combability.SOLUTION: An oil-based hair cosmetic that is free from squeaky and sticky feeling when applied and gives excellent smoothness, flexibility, and finger combability after use contains 30 to 80 mass% of triglyceride with specific fatty acid composition, 10 to 50 mass% of nonvolatile hydrocarbon oil with a specific viscosity, 5 to 20 mass% of volatile hydrocarbon oil with a boiling point of 300°C or lower, and 0.05 to 1 mass% of nonionic surfactant.