2 doctors weighed in:
How long is benefit from face microdermabrasion or dermabrasion procedures?
2 doctors weighed in

Dr. Richard Tholen
Surgery - Plastics
In brief: Minimal; Long-term
Microdermabrasion removes only the dead outer layers of the skin surface and does not require healing, only moisturizer. The results are soft, smooth skin until the next layers come to the surface (days).
Dermabrasion actually removes epidermis and upper dermis, causing wounds that require healing, but give long-lasting improvements, but not elimination of acne scars or superficial facial wrinkles.

In brief: Minimal; Long-term
Microdermabrasion removes only the dead outer layers of the skin surface and does not require healing, only moisturizer. The results are soft, smooth skin until the next layers come to the surface (days).
Dermabrasion actually removes epidermis and upper dermis, causing wounds that require healing, but give long-lasting improvements, but not elimination of acne scars or superficial facial wrinkles.
Dr. Richard Tholen
Dr. Richard Tholen
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Dr. Michael Fisher
Dermatology
In brief: Microdermabrasion
Initially 5 to 8 treatments spaced 7-10 days apart are recommended for most people with microdermabrasion.
  acne scars and or discolorations may require more treatments.  monthly maintenance treatments every 2 or 3 months may be necessary to maintain results. Duration of dermabrasion is usually permanent. However, these procedures are very operator dependent.

In brief: Microdermabrasion
Initially 5 to 8 treatments spaced 7-10 days apart are recommended for most people with microdermabrasion.
  acne scars and or discolorations may require more treatments.  monthly maintenance treatments every 2 or 3 months may be necessary to maintain results. Duration of dermabrasion is usually permanent. However, these procedures are very operator dependent.
Dr. Michael Fisher
Dr. Michael Fisher
Thank
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