Quick choice: the current US Salon One-Step Hair Dryer and Volumizer listing describes a fixed oval head and three heat/speed settings. The current US One-Step Volumizer PLUS lists a detachable 2.4-inch oval head and four settings, including medium. Choose the PLUS if those exact head and control differences solve a handling or storage issue; choose the fixed-head version if you want fewer pieces. Keep a functioning brush when neither feature matters.
“Original” is often used casually for the first One-Step design, but the current manufacturer page says the Salon One-Step has new features. This article compares the two linked current US listings, not every historical RVDR version, colour, retailer bundle or UK appliance. The pages inspected here do not give a single unambiguous model code for every displayed variant; confirm the code on the box or rating label before ordering replacement parts.
Table: swipe sideways on a small screen, or focus and use arrow keys.
| Decision | Current Salon One-Step listing | Current Volumizer PLUS listing | Meaning |
|---|---|---|---|
| Head | Non-detachable oval brush. | Detachable 2.4-inch oval head with release button. | The PLUS can separate handle and head for storage; check the connection before use. |
| Settings | Three heat/speed settings stated. | Low, medium, high and cool stated. | The extra named medium position is a real control difference, not a proven styling benefit. |
| Published electrical scope | Manufacturer says 120 V US outlets only; do not use a converter. | The linked listing does not establish an equivalent travel rating here. | Read the exact PLUS rating and instructions before travel; a detachable head does not imply dual voltage. |
| Power | 1,100 W on the current US page. | Do not infer wattage from the other model. | Wattage does not provide a measured drying-speed comparison. |
| Warranty | Four-year limited warranty stated. | Four-year limited warranty stated. | Check the purchase market and full warranty terms. |
- Fixed head: one attached oval brush → select one of the listed settings → clean and store as instructed.
- PLUS: handle + release button + detachable 2.4-inch head → lock the head before operation → choose among four named settings.
- Both: inspect the exact product label; the shared One-Step family name does not establish a shared plug or spare part.
What a different head changes
The detachable design can make packing the PLUS into a particular storage space easier, but it adds a joint and a step when attaching the brush. A 2.4-inch head changes the area that contacts a section compared with a larger or differently shaped head; the current Salon One-Step page does not publish a comparable exact head dimension in the material used here. Do not call one faster on that basis. Before buying, picture the sections you regularly style and whether you prefer one fixed tool or a handle and a removable head.
The PLUS page describes four settings. It does not establish a personalized temperature or guarantee a gentler result. The Salon One-Step page describes three heat/speed settings and says its head is not detachable. Both are hot-air brushes, so the barrel-size guide helps you think about section handling, while hot-air brush cleaning guidance covers ordinary care checks. Follow the exact manufacturer's cleaning and use instructions for the unit in hand.
Before ordering a replacement head
Look for the model code on the exact appliance and compare it with the manufacturer's page or manual. A visible PLUS joint does not prove another One-Step head will fit; a shared product-family name also does not transfer electrical ratings between regions. The fixed US Salon One-Step page expressly limits operation to 120 V US outlets and prohibits a converter. The current PLUS page here does not establish the same travel rating, so inspect its own label before travel.
If a fixed head already reaches your usual sections, detachability may add a storage step without solving a problem. If the smaller listed PLUS head and medium setting matter, confirm the exact US package contains that head and the lock operates as instructed. The rotation guide explains a different mechanism: neither of these named Revlon heads is documented here as a powered rotating brush.