Professional double sided applicator brush/comb. This dual purpose tool is especially designed for application of a Brazilian Blowout Keratin treatment products. Don’t use just any applicator, this double sided brush is specifically designed for brushing the product on your hair then using the other side to comb it through for even distribution and removing excess product you may apply. This brush is chemical resistant, durable, and washable. It IS NOT heat resistant. It can be reused for other chemical applications as well such as hair color. Its what the PRO’s use. A great tool to have handy!