The ornamental design for a cosmeticapplicator, as shown and described.
1. Cosmetic applicator
1.1 : Perspective
1.2 : Front
1.3 : Back
1.4 : Top
1.5 : Bottom
1.6 : Left
1.7 : Right
1.8 : Partial enlarged front view
1.9 : Partial enlarged perspective view
The article is a cosmetic applicator; the parts shown in dotted lines do not form part of the claimed design; the broken lines having alternating long and short segments define bounds of the claimed design and form no part thereof.