Revlon One-Step Volumizer PLUS – Costco Sale! by Rhonda March 22, 2023 8/24/20. © Frugal Hotspot *SALE UPDATE* 3/22/23. The Revlon One-Step Volumizer PLUS from Costco is a blow-dry brush that gives your hair that salon blowout treatment. It can dry your… 0 FacebookTwitterPinterestEmail