What do hotels use to clean glass shower doors?

Commercial hospitality properties and hotels maintain immaculate glass shower doors by relying on a combination of industrial-grade chemical solutions and strict, non-negotiable daily maintenance protocols. Housekeeping staff frequently utilize professional cleaning solutions that contain mild phosphoric or sulfamic acids, which are specifically formulated to instantly dissolve stubborn soap scum, body oils, and hard water scale on contact without requiring exhaustive scrubbing. Additionally, many modern hotels treat their shower glass with long-lasting hydrophobic or water-repellent polymer coatings, which cause water to bead up and slide off the surface effortlessly. The true secret to their success, however, is consistency: hotel housekeepers are trained to thoroughly wipe down and dry the glass surfaces using a rubber squeegee and ultra-absorbent microfiber cloths during every single daily room cleaning, preventing mineral buildup from ever forming.