Medically reviewed by Marisa Garshick, MD White spots on the skin can be caused by sun exposure or conditions including milia ...

They can be hard bumps or flat patches. Possible causes include milia, pityriasis alba, vitiligo, and more. Many people experience white spots on their face at some point during their lives.

pityriasis alba, and seborrheic dermatitis. Diagnosis of tinea versicolor can usually be made based on the clinical appearance alone, which is quite characteristic. However, several other ...