Glass Skin by Nancy is an esthetics practice in Arvada, Colorado, led by Nancy, a licensed esthetician who specializes in Korean skincare. The business offers targeted facial and resurfacing treatments, including teen facials with double cleansing, mild exfoliation, optional extractions, hydrating masks, and moisture-replenishing finishing care. Services also include Green Sea Peel, a natural acid-free skin resurfacing treatment using marine spicules for exfoliation and collagen stimulation, as well as customizable chemical peels for concerns such as acne, hyperpigmentation, and signs of aging. Treatments are presented for goals including hydration, soothing, radiance, and support for acne-prone or rough skin.