In My Lady's Boudoir.

Kathryn Osterman was a legitimate actress who worked occasionally in the movies during the first decade and a half of the 20th century. This looks like a Mutoscope cut-down of an actuality released in 1900, "The Art of "Making Up"". In it, we see her from the rear, sitting in front of a dressing mirror, putting up her hair and powdering her face.