"Dermaplaning underarms" is quietly one of the more searched grooming questions — and also one of the more misunderstood ones. The term gets used loosely to mean everything from a precise exfoliating treatment to plain old armpit shaving with a fresh blade. This guide separates the two, shows you how to do each safely, and helps you decide which approach actually belongs in your routine.
What Dermaplaning Actually Is
Dermaplaning is a form of mechanical exfoliation. A single, very sharp blade is held at roughly 45 degrees to the skin and moved in short, controlled strokes to lift the outermost layer of dead skin cells along with fine vellus hair. It originated as a professional facial treatment performed with a medical-grade scalpel — and that context matters when you start thinking about applying it elsewhere.
On the face, the goal is a smoother texture and better product absorption. On underarms, the logic is similar: remove dead-skin buildup, reduce the rough, shadowy look that can develop between shaves, and get a cleaner result without the dragging sensation of a dull cartridge razor.
What dermaplaning is not is a long-term hair-removal method. It cuts hair at the surface exactly as shaving does. Growth returns at the same rate and texture, just like any shave.
Dermaplaning vs Shaving: The Actual Difference
The practical difference comes down to three things.
Skin target. Standard shaving focuses on cutting the hair shaft. Dermaplaning adds deliberate exfoliation — the blade angle and dry-skin technique are specifically designed to graze the stratum corneum (the outermost dead-cell layer), not just slice hair.
Moisture. When shaving, you want the skin lubricated and the hair softened with warm water and a shave gel or oil. Dermaplaning is done on clean, completely dry skin — moisture makes the blade slip unpredictably and significantly raises the risk of nicks.
Stroke length. Shaving uses longer gliding strokes. Dermaplaning uses short, light passes at a consistent angle with no pressure beyond the weight of the blade itself.
Understanding this distinction keeps you safe. Attempting the dry, short-stroke dermaplaning technique with a multi-blade cartridge razor — or the wet shaving technique with a dermaplaning tool — produces the worst of both worlds.
Step-by-Step: Dermaplaning Your Underarms
This is an occasional smoothing treatment (think once every 2–4 weeks), not a daily habit. Do it on a day when you are not planning to apply deodorant for at least a few hours.
What you need:
- A dedicated single-blade dermaplaning tool (available at most pharmacies — look for one with a guard designed for body use)
- Gentle, fragrance-free cleanser
- Soothing, alcohol-free toner or aloe gel for after
Step 1 — Cleanse and dry thoroughly. Wash the underarm area with a mild, fragrance-free cleanser. Pat completely dry and wait five minutes. The skin must be bone dry before you start.
Step 2 — Raise your arm and pull the skin taut. Use your free hand to stretch the skin gently. The underarm is concave and textured — loose skin folds will catch the blade and cause cuts. Tautness is non-negotiable.
Step 3 — Hold the blade at 45 degrees. Rest the tool lightly against the skin at the correct angle. Do not press down. Let the weight of the tool do the work — any added pressure increases the risk of irritation and micro-cuts.
Step 4 — Use short, downward strokes. Move in the direction of hair growth with strokes no longer than 2–3 cm. Work in small sections. Rinse or wipe the blade between passes to keep it clean.
Step 5 — Soothe immediately after. Apply a fragrance-free aloe gel or calming toner. Skip deodorant, especially anything containing alcohol or baking soda, for at least 4–6 hours. Avoid hot water and friction for the rest of the day.
When to skip it
Do not dermaplane over underarm skin that is irritated, freshly waxed, actively broken out, sunburned, or showing any signs of a skin infection. If you have eczema or psoriasis, check with your GP or dermatologist before trying any mechanical exfoliation in this area. The AAD advises against dermaplaning on inflamed or compromised skin regardless of body area.
Why a Safety Razor Is the Better Everyday Choice
Dermaplaning is genuinely useful for that occasional deeper smooth — but it is not the right tool for your every-other-day underarm shave. The technique requires dry skin, short strokes, and concentration. Daily use in a sensitive, high-friction area is a fast route to a damaged skin barrier.
A well-made safety razor, used correctly, handles everything dermaplaning cannot. The single blade cuts cleanly without the multi-blade drag that causes razor burn and ingrown hairs. You can use it on wet, lubricated skin with a shave oil or gentle gel, which is far kinder to the underarm's thin, moisture-sensitive skin. And because the blade sits at a fixed angle in the head, there is less technique to manage — your job is to let the razor's weight do the work, pull the skin taut, and move with the direction of hair growth.
For a full breakdown of technique across every body area, the Freya shaving by body area guide covers underarms, legs, and bikini line in detail. If you are ready to make the switch, the Freya starter kit comes with everything you need to get going cleanly and sustainably.
The Honest Summary
Dermaplaning underarms works — as a periodic exfoliating treatment on completely dry, healthy skin, using the right single-blade tool and short controlled strokes. Done carefully, it leaves the skin noticeably smoother and can help with that blue-shadow look caused by dead-cell buildup.
But it demands the right conditions every time: dry skin, zero active irritation, proper technique, and a recovery window before deodorant goes back on. For removing hair regularly, a quality single-blade safety razor paired with a gentle shave oil is simpler, safer on daily use, and genuinely better for your skin barrier over time.
Use each tool for what it does best. Your underarms will thank you.
Frequently Asked Questions
Is dermaplaning safe to do on your underarms at home?
Yes, with care. Use a dedicated single-blade dermaplaning tool on completely dry, healthy skin. Pull the skin taut, hold the blade at 45 degrees, and use short light strokes. Skip it entirely if the skin is irritated, broken out, or if you have active eczema or psoriasis — mechanical exfoliation on compromised skin can worsen inflammation.
Will dermaplaning make underarm hair grow back thicker or darker?
No. This is a persistent myth. Dermaplaning, like any form of shaving, cuts hair at the surface. It has no effect on the follicle, so it cannot change the rate, colour, or texture of regrowth. The blunt tip of the cut hair can feel stubbly as it grows in, but the hair itself is unchanged.
How often should you dermaplane your underarms?
Once every 2–4 weeks is a reasonable starting point. Dermaplaning is an exfoliating treatment, not a daily shave replacement. Doing it too frequently disrupts the skin barrier and can cause persistent irritation, redness, and sensitivity, especially in a high-friction area like the underarm.
Can you use a regular razor to dermaplane underarms?
A regular multi-blade cartridge razor is not suitable for dermaplaning. The dermaplaning technique — dry skin, 45-degree angle, short strokes, no added pressure — relies on a single, very sharp blade and no lubrication. A cartridge razor on dry skin increases the risk of nicks, razor burn, and barrier damage significantly.
Why do my underarms still look shadowy after shaving or dermaplaning?
The most common causes are dead-skin buildup, close-cropped dark terminal hair visible just below the surface, and post-inflammatory hyperpigmentation from past irritation. Regular, gentle exfoliation (including dermaplaning occasionally) combined with a sharp single-blade safety razor can reduce the buildup effect. Persistent pigmentation is best discussed with a dermatologist.
Last updated: 2026-06-17