A 532-nm picosecond laser with fractional-beam microlens array to treat solar lentigines resulted in a lower hyperpigmentation rate in patients with darker skin types, vs the full-beam approach.
Several FDA-cleared picosecond devices are used to treat nevus of Ota, café-au-lait macules, lentigines, melasma, and photoaging, as well as for removing tattoos.
The case series included three patients with recalcitrant PIH and Fitzpatrick skin phototypes V and VI treated with a combination of topical and laser therapies.