MicroNeedling

Microneedling, also known as collagen induction therapy, is a cosmetic procedure that uses fine needles to create controlled micro-injuries in the skin. The resulting wound-healing response is intended to stimulate collagen and elastin production, improving skin texture and various blemishes.

The procedure is typically performed with a precision device: either a dermaroller with a rotating set of needles or a motorized microneedling pen. Needle lengths usually range from 0.25 to 2.5 mm, chosen based on treatment area and concern. Treatments are often performed under topical anesthesia and take 30 to 60 minutes. A series of sessions, commonly 4 to 6 at 4 to 6 week intervals, is usually recommended for optimal results.

Benefits include improvements in atrophic acne scars, fine lines, rough texture, and enlarged pores, and may enhance topical product penetration. Evidence supports modest improvements for certain acne scars; results for wrinkles and melasma are variable and may be less robust.

Risks and safety: when performed by trained professionals with sterile equipment, adverse effects are typically limited to temporary redness, swelling, and minor irritation. Potential risks include infection, scarring, pigment changes, and reaction to topical anesthetic. Contraindications include active infection, inflammatory skin conditions in the treated area, keloid tendency, certain systemic conditions, and use of isotretinoin in the recent past; pregnancy status should be discussed with a clinician.

Aftercare includes avoiding sun exposure and applying broad-spectrum sunscreen, gentle cleansing, and avoiding harsh topical products or makeup immediately after treatment. Most people resume normal activities within 24 to 48 hours. The evidence base supports microneedling as a safe option when performed by qualified providers.