White freckles, also known as hypopigmented macules or white spots, are a skin condition characterized by the presence of small, pale areas on the skin. These spots are usually lighter than the surrounding skin and can vary in size and shape. While white freckles are generally harmless, they can sometimes be a sign of an underlying medical condition or skin condition.

One common cause of white freckles is a condition called vitiligo. Vitiligo is a chronic skin disorder that results in the loss of pigment-producing cells in the skin. This loss of pigmentation leads to the development of white patches or spots on the skin. Vitiligo can affect people of all ages and ethnicities, and its exact cause is unknown.

Another possible cause of white freckles is a fungal infection called tinea versicolor. This infection is caused by an overgrowth of yeast on the skin, which leads to the development of discolored patches. These patches can be white, pink, or brown in color, and they may become more noticeable when the skin is exposed to sunlight or after sweating.

In some cases, white freckles may be a sign of a genetic condition known as piebaldism. This condition is characterized by the presence of white patches of skin, hair, and, in some cases, the eyes. Piebaldism is caused by a mutation in a specific gene that affects the production of melanin, the pigment responsible for skin, hair, and eye color.