Our skin is the largest of our human organs. Not only does our skin give us our appearance and shape, it also serves crucial functions such as regulating our body temperature and acting as a shield to protect us from environmental irritants, bacteria, heat and cold. Unfortunately, our skin is susceptible to cancer. In...

Birthmarks are colored marks on the skin that are present at birth or develop soon after. There are two main types of birthmarks, vascular and pigmented.  Vascular Birthmarks (often red, purple or pink) are caused by abnormal blood vessels in or under the skin. Vascular birthmarks often occur in the head and neck area,...

Everyone loses hair; it is normal to lose about 50-100 hairs every day. However, if you experience bald patches or large amounts of thinning, you may be experiencing hair loss that requires a visit to the dermatologist for proper diagnosis and possible treatment. Dr. Holy in Phoenix specializes in treating the skin, nails and...