Provide hair styling, cutting, and possibly color services to guests. May provide nail services, waxing, and skincare services to guests. Assess guest needs, inquire about contraindications, and examine skin, hair, or nails to evaluate condition, appearance, and appropriateness of scheduled service. Cosmetologist must keep up to date with the latest hair products, techniques and trends. They must demonstrate, promote, and sell spa/salon retail products. They must follow all company policies and procedures.