Lichen planus like keratosis (LPLK) is a benign, inflammatory skin condition that commonly develops when an existing sun-damaged spot, such as a freckle, solar lentigo, or actinic keratosis, begins to regress or change in appearance. It usually appears as a single pink, red, or brown spot, often small and slightly scaly, and is most commonly seen in areas exposed to sunlight, such as ... https://www.herbal-care-products.com/blog/lichen-planus-like-keratosis-a-detailed-analysis/