Face gems are decorative adhesive jewels that can be applied to the skin, often used to enhance makeup looks for special occasions or festivals. They come in various shapes, sizes, and colors, allowing for creative expression and personalization. These gems are typically made from materials like acrylic or glass and can be easily applied using skin-safe adhesive. Popular at events like music festivals and Halloween, face gems add a fun and sparkly element to any makeup routine, making them a favorite among beauty enthusiasts.