Importance

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Abstract

The present invention provides resin beads that can provide various types of products such as cosmetics which are unlikely to generate an odor and have superior tactile impression and spreadability on the skin and that can be substituted for resin particles composed of a synthetic material derived from petroleum, and the present invention also provides various types of products such as cosmetics using the resin beads. The resin beads are formed with a resin containing a cellulose derivative as a main component. In the resin beads, the cellulose derivative is at least one selected from the group consisting of cellulose acetate, cellulose acetate propionate, ethyl cellulose, and hydroxypropyl methyl cellulose, the volume average particle diameter is 50 μm or smaller, the degree of sphericity is 0.7 to 1.0, the degree of surface smoothness is 80 to 100%, the acetyl group content ratio is 15% by mass or less, and the propionyl group content ratio is 10% by mass or more. In addition, the present invention provides a product of any one of a cosmetic, a dermatological preparation, a paint, a shaped article, a film, a coating agent, and a resin composition, which contain the resin beads.

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First Claim