A makeup artist is responsible for enhancing or altering a person's appearance using cosmetic products and techniques. They consult with clients to create custom looks based on their specifications, determine which materials and colors are the most suitable, and have knowledge of different color palettes and design styles. Makeup artists must stay updated on the latest trends in fashion and beauty and use models and fashion magazines as reference points. They are also responsible for operating within health and safety regulations. Some positive aspects of being a makeup artist include the ability to be creative and work with a variety of clients, while some negative aspects may include long hours and the need to constantly stay up-to-date with the latest trends. Makeup products may contain a variety of ingredients, so it is important for makeup artists to have knowledge of these ingredients and their potential effects on the skin.