How does radio frequency microneedling assist in skin rejuvenation?

Radiofrequency utilises both the benefits of microneedling with Radiofrequency which a thermal energy. The small micro needles pierce the skin and radiofrequncy then moves through the tips of the needles. The thermal energy creates injury in the dermis which results in a series of reactions which starts the process of neocollagenesis which is the formation of collagen. There have been several trials undertaken on Radiofrequency microneedling and where it shows its main effect is for the purposes of skin rejuvenation.

Taken from: Wootten, S. and Rheins, L.A. (2022). Radiofrequency Microneedling in Cosmetic Dermatology. In Cosmetic Dermatology, Z.D. Draelos (Ed.). https://doi.org/10.1002/9781119676881.ch54

In the tear trough area, the treatment can be particularly effective after 2 -3 sessions and they can beseen as long as 6 months, with the earliest improvement seen after 1 month.

The treatment can also be used for improvement in acne scars, striae and rosacea. Although it has been used as an adjunct to other treatments for melanoma, caution should be taken as in some cases the heat can irritate the melanoma.

The positive aspect of radiofrequency microneedling is its great safety profile, even for darker skinned individuals, who may be limited in their access to laser treatments, The main side effects are redness, swelling and these resolve relatively quickly and no more than a couple of days.