In Portrait of Cristina, My Sister, Frida Kahlo presents a striking image of her sister, Cristina. The painting features vibrant colors, with a rich palette of greens, reds, and yellows. Cristina is depicted with a serious expression, her dark hair framing her face.

The background is a blend of abstract shapes and colors, enhancing the emotional depth of the portrait. The painting is executed in oil on canvas, a medium that allows for rich texture and color depth. Kahlo's technique includes bold brushstrokes and a focus on detail, particularly in the facial features of Cristina. The dimensions are approximately 60 x 80 cm, making it a medium-sized work.

The composition draws the viewer's eye directly to Cristina's gaze, creating an intimate connection. Frida Kahlo created this portrait during a period marked by personal struggles and a deep exploration of identity. Cristina was not only her sister but also a significant influence in Kahlo's life. This work reflects Kahlo's unique style, blending realism with elements of surrealism.

An interesting fact about this painting is that it showcases the strong bond between the sisters, which is a recurring theme in Kahlo's oeuvre.