Dermatologists are medical doctors who specialize in diagnosing and treating conditions related to the skin, hair, and nails. They are trained to handle a wide range of issues, including acne, eczema, psoriasis, and skin infections. Dermatologists also perform skin cancer screenings and can provide treatments such as topical medications, laser therapy, and surgical procedures. In addition to treating medical conditions, dermatologists often help with cosmetic concerns. They can offer services like chemical peels, Botox injections, and skin rejuvenation treatments. Their expertise helps patients maintain healthy skin and address aesthetic issues effectively.