Cosmetic additives and cosmetics containing the same

摘要

The present invention provides an additive for cosmetics that is excellent in transparency when blended in cosmetics, has good elongation and use feeling when applied, and can suppress a sticky feeling when dried, and a cosmetic containing the same. thing. Cellulose fibers having an average fiber diameter (D) of 0.001 to 0.05 μm and a ratio of an average fiber length (L) to an average fiber diameter (D) (L / D) of 5 to 500. A cosmetic additive containing the cosmetic additive. [Selection figure] None