Fred’s Five Star Glass Cleaner does not streak or smear and out performs all other glass cleaners. It is an ammonia free formula that utilizes biodegradable corn-derived alcohol, biodegradable surfactants, and food grade coloring. Great for windows, mirrors, and screens on electronics like phones and TV/LCD displays. Safe on acrylic, plastic and window tint. This is the best liquid glass cleaner you will ever use!