Cosmetic rhinestones are decorative gems made from glass or acrylic, designed to mimic the appearance of real gemstones. They come in various shapes, sizes, and colors, making them popular for adding sparkle to makeup, clothing, and accessories. Often used in costume design and theatrical performances, these embellishments can enhance visual appeal and create eye-catching effects. These rhinestones are typically applied using adhesive or can be found in self-adhesive forms for easy application. They are commonly used in nail art, body art, and craft projects, allowing individuals to express their creativity and personalize their style with shimmering accents.