The Bottom Line

Dermabrasion is a skin resurfacing procedure that uses a rapidly rotating instrument to mechanically remove the outer layers of skin, stimulating new skin growth and collagen production. It's most effective for acne scars, surgical scars, fine wrinkles, and precancerous skin growths. Recovery takes 1-3 weeks, with redness fading over 1-3 months. While largely replaced by laser resurfacing for many indications, dermabrasion remains valuable for specific scar types and certain skin conditions.

How Dermabrasion Works

A dermatologist uses a high-speed rotating brush or diamond-tipped wheel to precisely remove skin layers. The depth of removal is controlled by the speed of the instrument and the pressure applied:

  • Superficial dermabrasion: Removes the epidermis only — similar to a deep chemical peel
  • Medium dermabrasion: Reaches the upper dermis — effective for moderate scars
  • Deep dermabrasion: Into the mid-dermis — for deep acne scars and significant wrinkles

As the skin heals, new collagen forms and the surface regenerates with smoother, more even texture.

What Dermabrasion Treats

  • Acne scars: Particularly effective for rolling and boxcar scars. Less effective for deep ice-pick scars (which may need punch excision first).
  • Surgical scars: Can improve the appearance of scars from surgery or trauma
  • Fine wrinkles: Especially around the mouth (perioral rhytids)
  • Sun damage: Uneven pigmentation and rough texture
  • Rhinophyma: Bulbous nose from severe rosacea — dermabrasion is a primary treatment
  • Actinic keratoses: Can treat extensive field damage over large areas

Dermabrasion vs Microdermabrasion vs Laser

  • Dermabrasion: Medical procedure, deep resurfacing, significant downtime, dramatic results for scars
  • Microdermabrasion: Cosmetic treatment, superficial exfoliation only, no downtime, very mild results. Different procedure entirely despite the similar name.
  • Laser resurfacing: Has largely replaced dermabrasion for many indications. More precise depth control, less operator-dependent. Fractional lasers offer shorter downtime with good results.

Recovery

  • Day 1-3: Skin is raw, oozing, and swollen. Keep moist with petroleum jelly. Pain managed with prescribed medication.
  • Day 3-10: New skin begins forming. Scabs develop — do NOT pick them. Continue petroleum jelly and gentle cleansing.
  • Week 2-3: New skin is pink and sensitive. Can return to work (with makeup if desired for coverage). Avoid sun.
  • Month 1-3: Redness gradually fades. Final results developing. STRICT sun protection essential (hyperpigmentation risk is high).
  • Month 3-6: Final results visible. Collagen remodeling continues improving texture.

Frequently Asked Questions

Is dermabrasion painful?

It's performed under local anesthesia (numbing injection) or nerve block. You won't feel pain during the procedure. Post-procedure discomfort is moderate — described as a road-rash sensation. Pain medication is prescribed for the first few days.

Is it safe for darker skin?

Dermabrasion carries significant risk of permanent hypopigmentation and hyperpigmentation in darker skin (Fitzpatrick IV-VI). Laser resurfacing and chemical peels may be safer alternatives for darker skin tones. If dermabrasion is performed, conservative depth and pre-treatment with hydroquinone are recommended.

How many sessions are needed?

Usually one session is sufficient. Very deep scars may benefit from a second session 6-12 months later. Some patients combine dermabrasion with other treatments (subcision, filler) for comprehensive scar management.

  1. Harmon CB, et al. "Dermabrasion." Journal of Cutaneous and Aesthetic Surgery. 2012;5(1):6-11.
  2. Fabbrocini G, et al. "Acne scars: pathogenesis, classification and treatment." Dermatology Research and Practice. 2010;2010:893080.
  3. Alam M, et al. "Comparative study of fractional laser and dermabrasion." JAMA Dermatology. 2018;154(11):1297-1303.