Hydrodermabrasion vs microdermabrasion.

In short. Both are professional exfoliation methods. Microdermabrasion works dry: a diamond-tipped head, or a stream of fine crystals, passes over the skin under suction. Hydrodermabrasion works wet: a tip delivers water or a working solution while vacuum lifts it away again, so exfoliation, cleansing and hydration happen in the same pass. For a spa or studio the choice usually comes down to how sessions feel, hygiene and consumables, and whether the device can carry more than one service.

How microdermabrasion works

Microdermabrasion is a dry method, and it comes in two forms. Crystal systems propel fine abrasive crystals across the skin through a handpiece and draw them back with suction. Diamond-tip systems replace the loose crystals with an abrasive tip that the operator moves across the skin, again with suction. In both, the operator controls the suction level and the number of passes.

It is a focused, single-purpose method. A session is usually one step in a facial rather than the whole facial, and cleansing and hydration happen separately, before or after.

How hydrodermabrasion works

Hydrodermabrasion is a wet method. A tip, often textured or spiral, delivers water or a working solution to the skin while vacuum lifts the liquid and loosened surface material away into a waste container. Because the liquid moves across the skin as the tip passes, exfoliation, cleansing and hydration happen at the same interface at the same time.

Many hydrodermabrasion platforms are built as consoles that carry other modalities alongside the hydro tip, such as LED light, microcurrent, radiofrequency or a serum spray. That lets one device support a short express session and a longer multi-step programme. Our guide on how to choose a professional hydrodermabrasion machine covers the details that separate one console from another.

Side by side

Neither method is a substitute for a skincare routine, and neither should be sold with a promise attached. Describe what physically happens in the session and how long it takes.

Hygiene and consumables

Hygiene and running cost are where the two methods differ most in day-to-day use, and both are easy to overlook when comparing brochures.

• Between clients. Ask which parts are single-use, which are cleaned and how, and how long the change-over takes.
• Inside the device. Wet systems carry liquid through lines and containers. A dedicated self-clean mode makes the daily routine simpler and more consistent.
• Residue. Crystal systems leave fine residue to wipe from the client and the room. Diamond-tip and wet systems avoid loose crystals.
• Cost per session. Ask for the consumables cost of one session in writing, including tips, solutions and filters, and whether third-party consumables are compatible.

Which suits your menu

If you want a quick exfoliation step to add to facials you already run, a microdermabrasion device can be enough. If you want one room to carry a menu of named services, from an express session to a longer programme, a multi-technology hydrodermabrasion console usually fits better, because the other modalities are already in the same device.

The Hydrèlle 8-in-1 hydrodermabrasion console is built that way: a 360° rotating hydro tip with seven further technologies, selected stage by stage, and a dedicated self-clean mode.

Questions to ask a supplier

1. Which parameters can the operator set, and are they visible during the session?
2. Which parts are single-use, and what does one session cost in consumables?
3. How is the device cleaned between clients and at the end of the day?
4. Which written session programmes come with it?
5. What training is included, and what happens when staff change?
6. What is the service route if the device is out of action?

For the full list, use our 20 questions for any wellness equipment supplier.