Can you spot the four hidden women in this optical illusion?

An optical illusion by Ukrainian artist Oleg Shupliak is captivating internet users, challenging their powers of observation. The artwork, known as 'Four Women,' has gone viral, with many struggling to spot all the hidden figures within the seemingly simple illustration.

At first glance, the image depicts a smiling woman with long hair talking on the phone. However, Shupliak, renowned for his illusions that blend multiple motifs, has skillfully integrated three additional female figures into the composition. This intricate design makes the artwork a significant challenge for enthusiasts of visual puzzles.

The first hidden figure is subtly formed by the main woman's hand on the left side of the drawing. Details like her nose, lips, and eyelashes become apparent upon closer inspection, while the main figure's hair forms the bangs of this second character, and her elbow creates the chin, giving the impression of a separate person.

A third woman is concealed within the main figure's forearm, raised towards her ear. This figure is not just a face but a full silhouette in a long dress, with arms raised above her head, often missed until pointed out. The most challenging figure to find is the fourth woman, cleverly integrated into the main figure's abdominal area. Here, the illustration's details form another female face that blends seamlessly with the rest of the drawing, often taking viewers several minutes of careful observation to detect.