What it is: White Sands Infinity Liquid Texture Firm Finish Hair Spray has become the hairspray of choice for hairdressers around the world. What it does: Infinity is a flexible finish spray that works with any iron and allows you to create and recreate with ease. What else you need to know: Infinity also increases the amount of shine in the hair when used with an iron. It can be combed and repels moisture even in the harshest weather conditions.