Using this powder is easy. First, take the trimming plate and scoop up a little of the powder. Then, gently apply it to the areas you want to highlight, like your cheekbones or eyelids. Remember, a little goes a long way, so start with a small amount and add more if needed. When it comes to storage, keep it in a cool and dry place, away from direct sunlight. This will help maintain its quality and keep it effective for the full 3 - year shelf life. Also, make sure to close the container tightly after each use to prevent the powder from drying out or getting contaminated. If you have sensitive skin, it's a good idea to do a patch - test on a small area of your skin first to see if you have any allergic reactions.