| abstract |
An object is to provide fine particles excellent in biodegradability and tactile sensation. The cellulose acetate particles, wherein the cellulose acetate particles have an average particle diameter of 80 nm or more and 100 μm or less, a sphericity of 0.7 or more and 1.0 or less, and a surface smoothness of 80% or more and 100% or less. Cellulose acetate particles in which the total degree of acetyl substitution of cellulose acetate is 0.7 or more and 2.9 or less. |