Beauty apps are mobile or web-based applications that provide users with information and resources related to beauty and personal grooming. These apps can offer a variety of features, such as makeup tutorials, skincare advice, and hair styling tips. They can also allow users to virtually try on makeup, hair colors, and hairstyles using a camera or a photo. Some apps also offer product reviews, ingredient lists, and the ability to purchase beauty products. Additionally, some apps provide virtual consultations with professional stylists or makeup artists or allow users to book appointments with nearby salons and spas. Examples of popular beauty apps include Sephora, L’Oreal Makeup Genius, and Ulta Beauty.