Buffalo horn glasses, crafted from ethically sourced natural horns, offer a uniquely stylish, hypoallergenic, and biodegradable eyewear option with a low environmental impact. Acetate frames, derived from renewable plant fibers, provide robust, versatile, and affordable eco-friendly alternatives, though their chemical processing and disposal pose sustainability questions. Consumers must weigh durability, style, and ecological footprints when choosing between these two popular materials.