Easy to use - just expose the mucus pigment to the light source for a few minutes, and then wait for the magic to happen! For the best glow effect, please charge the glow color powder with black light, ultraviolet light or simple sunlight.The more powder used or the higher the percentage, the brighter the luminescence and the longer the duration. Widely used - we provide you with more color choices at a more affordable price. Whether you are working on your own project or want to make children really excited, you will like this powder paint. This luminous paint is the perfect accessory for Halloween banquets or pranks, festivals, theme parties, rehearsals, going out with friends and more face or body painting activities in the dark or at night Unlimited use - these luminous pigments can provide amazing luminous effects in epoxy, mucus, nail art, acrylic paint and painting. Unleash your creativity and create unique and charming projects with our special powder pigments. Value Pack - 2 carefully selected luminous pigment color packs can provide lasting and bright colors for your art works. Each epoxy pigment powder is packed in a separate resealable bag to ensure no spillage, confusion and waste. It can bring brilliant night light to your art project, and it will no longer be messy or wasteful! Safety - our epoxy luminous dyes are made of safe and durable materials, which means they can be safely used in human body and nail art. Safe mucus stain is the perfect choice to create magical and bright DIY mucus with children. This safe mucus dye is bright and durable, and is very suitable for making bright DIY mucus with children