A dermatologist is a medical specialist who focuses on diagnosing and treating conditions related to the skin, hair, and nails. Their expertise covers a wide range of skin disorders, including acne, dermatitis, skin cancer, psoriasis, and more. Dermatologists also offer cosmetic procedures such as Botox, chemical peels, and laser therapy to enhance skin appearance. Their specialized knowledge allows them to provide comprehensive care for skin health and address both medical and cosmetic concerns.