Revlon One-Step Volumizer – Costco Sale! by Rhonda June 23, 2022 June 23, 2022 *UPDATE* 6/23/22. Is your hair missing salon blowouts? With the Revlon One-Step Volumizer from Costco, the Ionic technology works to fight frizz for shiny, healthy-looking salon-styled hair! Costco’s Price and… 0 FacebookTwitterPinterestEmail