In Portrait of a young woman in a white dress, we see a young woman dressed in a flowing white gown. The background is softly blurred, enhancing the focus on her delicate features and graceful pose. The colors are light and airy, with soft pastels dominating the palette.

The overall effect is one of elegance and femininity. The painting is executed in oil on canvas, a common medium for portraits of this era. The brushwork is smooth and refined, allowing for a detailed representation of the woman's face and attire. The use of light is particularly notable, as it highlights the textures of the fabric and the softness of her skin.

This technique contributes to the painting's overall sense of depth and realism. Gerda Wegener was a prominent figure in the Art Nouveau movement, known for her depictions of women. This portrait reflects her interest in fashion and the representation of femininity. An interesting fact about this work is that Wegener often painted her wife, model and actress Lili Elbe, who was one of the first known transgender women to undergo gender confirmation surgery.

This adds a layer of personal history to the artwork.