Hello. Thanks for writing to us at healthcaremagic Lichen planus pigmentosus (LPP) is a variant of lichen planus. In LPP the patient develops asymptomatic hyperpigmented bluish-black patches, distributed across the body. Pigmentation is deep and therefore persistent and is due to the release of pigment (melanin) from melanocytes into the dermis The patches are asymptomatic. Treatment options are topical potent steroids like mometasone furoate twice daily application. Topical steroids hasten the resolution of the patches. However, treatment is long term and the patches may take months to resolve Topical steroids are prescription drugs and I would suggest that you talk to your dermatologist for the needful Regards