For stubborn oil film: Effectively removes stubborn oil film formed by exhaust fumes, cooking fumes, insect remains, and secretions from car windows (windshields, rearview mirrors) and household windows, quickly breaking down oil stains and eliminating blurriness in rainy weather and glare at night. Safe and won/39;t damage glass: Uses high-density soft bristles, less hard than glass, and has been tested to leave no scratches. Combined with a scratch-free cleaning design, the cleaning process is gentle, protecting the original transparency and integrity of the glass. Dual applicability for cars and homes: One brush meets the needs of multiple scenarios, suitable for car side windows, rearview mirrors, and other key visibility areas, as well as cleaning household windows, glass countertops, and bathroom mirrors, offering strong adaptability. Highly effective in improving clarity: Significantly improves glass light transmittance after cleaning, restoring a clear view and enhancing driving safety and home light. No need for repeated wiping; glass is restored to cleanliness and clarity in a short time. Convenient and practical design: Lightweight and ergonomically designed for easy one-handed operation. The brush head is detachable and washable, supports reuse, doesn/39;t take up much space when stored, and is convenient to use and maintain. Package: 1 pcs Glass oil film cleaning brush