I apply mine by using a paint brush that I keep in a jug with a lid on it. I can not remember the brand as I get it by the gallon form a local detail supply house but the paint brush allows me to put it exactly where I want it without the mess.

 

Optimum™ Polymer Technologies - Power Clean (diluted 3:1: to 5:1)

CarPro PERL Coat - is a durable, water based protective coating that that contains UV protection and is designed to be used on all exterior rubber and vinyl, including tyres.