Salon One21 & Colorbar specializes in hair coloring, taking pride in its one-of-a-kind color bar, which takes advantage of the building's legacy as an old-timey pharmacy, complete with soda counter. This salon-saloon set-up promotes greater interaction between the client and stylist during the hair-coloring process, ensuring that the client's desired results are achieved. Salon One21 & Colorbar exclusively uses L’Oréal Professionnel hair color to encourage healthy shine, healthy hair health, and monogamy. Color treatments include single-process color (starting at $50), partial highlights (starting at $75), and men's highlights or tips (starting at $40). The salon's menu of services also includes cuts (women starting at $40, men at $25, children at $15), perms (starting at $75), thermal straightening and Keratin smoothing treatments (starting at $200), waxing (starting at $10), and makeup application (starting at $25).