Dermarolling

Dermarolling, also called microneedling, is a cosmetic procedure that uses a device with many fine needles to puncture the skin. The resulting micro-injuries stimulate the skin’s wound healing response, promoting collagen and elastin production. This can improve skin texture, tone, and overall firmness over time. Devices range from manual dermarollers to motorized microneedling pens, with needle length and density chosen for the area and skin type.

Treatments can be done in clinics or at home with appropriate devices. A topical anesthetic may be used to reduce discomfort. The roller or pen is applied to the skin in multiple passes, often in several directions. Sessions typically last 15 to 60 minutes and are repeated after a few weeks. Sterility is essential; use sterile or single-use devices. Post-treatment care usually includes gentle cleansing and sunscreen; temporary redness and flaking may occur, and sun exposure should be limited during healing.

Evidence on effectiveness is mixed. Some studies report improvements in atrophic acne scars, fine lines, and skin texture, particularly when microneedling is combined with adjuncts such as platelet-rich plasma. Results are usually modest and require multiple sessions.

Safety and risks include redness, swelling, and mild irritation. Less common risks are infection, bleeding, hyperpigmentation in darker skin, scarring, and allergic reactions to products used. Contraindications include active skin infections, eczema or psoriasis in the treatment area, a history of keloids, and certain medical conditions or recent isotretinoin use. Proper technique and sterile equipment are essential.