Dermatology is the branch of medicine dealing with the skin and its diseases a unique specialty with both medical and surgical aspects. A dermatologist takes care of diseases, in the widest sense, and some cosmetic problems of the skin, scalp, hair, and nails.

Therapies provided by dermatologists include, but not restricted to:

• Cosmetic filler injections
• Hair removal with laser or other modalities
• Hair transplantation – a cosmetic procedure practiced by many dermatologists.
• Intralesional treatment – with steroid or chemotherapy.
• Laser therapy – for both the management of birth marks, skin disorders (like vitiligo), Tattoo removal, and cosmetic resurfacing and rejuvenation.
• Photodynamic therapy – for the treatment of skin cancer and precancerous growths.
• Phototherapy – including the use of narrowband UVB, broadband UVB, psoralen and UVB.
• Tattoo removal with laser.
• Tumescent liposuction – liposuction was invented by a gynecologist. A dermatologist (Dr. Jeffrey A. Klein) adapted the procedure to local infusion of dilute anesthetic called tumescent liposuction. This method is now widely practiced by dermatologists, plastic surgeons and gynecologists.
• Cryosurgery – for the treatment of warts, skin cancers, and other dermatosis.
• Radiation therapy – although rarely practiced by dermatologists, many dermatologist continue to provide radiation therapy in their office.
• Vitiligo surgery – Including procedures like autologous melanocyte transplant, suction blister grafting and punch grafting.
• Allergy testing – ‘Patch testing’ for contact dermatitis.
• Systemic therapies – including antibiotics, immunomodulators, and novel injectable products.
• Topical therapies – dermatologists have the best understanding of the numerous products and compounds used topically in medicine.
• Scar treatment
• Acne treatment
• Dermabarasion