Our fabric rust remover is carefully formulated with citric acid and sodium gluconate. Designed specifically for deeply penetrating stubborn rust， dissolving and removing residual stains. The usage method is extremely convenient: moisten the rusty area with clean water. Apply a small amount of fabric rust remover directly to the stain. Gently rub the rust remover into the stain with your fingertips or a soft cloth. Wait for a few minutes to allow the ingredients to fully act on the rust. Rinse the treated area with clean water to remove any remaining liquid. Wash the clothes as per the care label. It can quickly decompose rust stains and significantly improve the decontamination efficiency， effectively acting on the surface of various fabrics without damaging the fibers.