With a well-established and diverse patient population, BSI has a set of broad and comprehensive service offerings, including medical and surgical dermatology (including treatment for acne, moles, allergic skin reactions, autoimmune diseases, skin infections, Mohs surgery and more); cosmetic dermatology (including laser wrinkle treatment, laser hair removal, laser tattoo removal, laser brown spot removal, laser removal of varicose veins and more); skin care products and medi-spa/aesthetician treatments (including chemical peels, microdermabrasion, facials, extractions for acne and more). About Berman Skin Institute: Berman Skin Institute (BSI) is a group of dermatology and cosmetic surgery centers with ten medical clinic locations across Northern California (including Los Altos, San Francisco, Walnut Creek, Cameron Park, Fremont, Placerville, Pleasanton and Roseville.