In Femme en blanc debout devant une glace, we see a woman dressed in white standing in front of a mirror. The colors are bright and bold, typical of Henri Matisse's Fauvist style. The background is simple, allowing the figure to stand out prominently.

The mirror reflects her image, adding depth to the composition. The painting is characterized by its vibrant use of color and expressive brushwork. Matisse employs a flat perspective, which is a hallmark of his style. The contrast between the white dress and the surrounding colors draws the viewer's attention.

This work exemplifies Matisse's departure from traditional representation towards a more modern approach. Henri Matisse was a leading figure in the Fauvism movement, known for his use of color and form. This painting was created during a period when Matisse was exploring the relationship between color and emotion. An interesting fact about this work is that it reflects Matisse's interest in the female form and the act of looking, as seen in the mirror's presence.