Controlled removal of human stratum corneum by pulsed laser to enhance percutaneous transport

摘要

A method of administering a therapeutic substance to a human patient, the method having the steps of ablating the stratum corneum of a region of the skin of the patient using pulsed laser light of wavelength, pulse length, pulse energy, pulse number, and pulse repetition rate sufficient to ablate the stratum corneum without significantly damaging the underlying epidermis, and applying the therapeutic substance to the region of ablation.