Hi Giulia,
ich kopier Dir mal einen Text hier rein, den ich Sharkzzz schonmal gepostet habe. Vielleicht hilft Dir der ja auch weiter. Kann auch gerne übersetzen, wenn Du magst

Add a bit of water for a more dramatic eye shadow or eyeliner. The more water you add the more metallic it gets. Add a bit of pigment to clear nail polish and it makes a beautiful polish. Mix some with a clear gloss and you have yourself a new lip gloss. Add some to your lipstick and make that boring shade more exciting. Use it on your cheeks for color glow. These are just some of the uses.. be creative and you have tons of fun!

Viel Spaß, Naima