Cosmetologists are trained to perform cosmetic treatments to the hair, skin, and nails. A cosmetologist is someone who is an expert in the care of hair and makeup as well as skincare and beauty products. They can also offer other services such as coloring, extensions, perms and straightening. Cosmetologists help their clients improve on or acquire a certain look by applying advance trending aesthetic applications. Hair stylists often style hair for weddings, and other special events in addition to routine hair styling.

Dermatologists are doctors trained to treat issues with skin. They are trained in the science of dermatology, which is concerned with the diagnosis and treatment of diseases of the skin, hair and nails. Dermatologists typically provide treatment for skin cancer, warts, cosmetic filler injections, hair removal with laser, hair transplantation, laser therapy for birthmarks and skin disorders, tattoo removal, acne, sun damage, liposuction, radiation therapy, vitiligo surgery, and allergy testing.

A psychologist is a medical doctor who trained in diagnosis, and treatment of a mental illness including schizophrenia, behavioral problems, learning difficulties, depression, and anxiety. Psychologists provide a wide range of treatments including psychological treatment also called psychotherapy or talking therapy, medication, behavioral, cognitive, cognitive-behavioral, interpersonal, humanistic, and psychodynamic therapy. A psychologist may also use the Diagnostic and Statistical Manual (DSM) criteria to diagnose the mental disease.

Sexologists are doctors who study human sexuality, including sexual behaviors, interests, and functions. They deal with problems regarding intimacy and relationships and also guide to achieve the best relationship. They mainly resolve sexual issues between the relationships. They conduct one to one sessions for sexual problems.