A limited edition brush set for easy makeup application. This comes with 4 beauty tools for stellar looks day in and day out. Amp up your daily routine with the coolest brush set yet! Ruler of The Skies is a set of four beauty tools designed with Sam + Nic, the sisters behind Real Techniques. From the Brush Crush™ Collection, this was designed to be both beautiful and functional. The set is cruelty-free, vegan, and is made of 100% synthetic bristles. It's hypoallergenic, so even those with sensitive skin can use it.