1. When the clothes are dry, apply the original liquid of laundry detergent to the stain;
2. Don't wash it immediately after painting, let it stand for 5 minutes, let the laundry detergent react with the stain, and then gently rub it.
3. You can use the special laundry detergent for blue moon hand washing, and the stock solution is directly pre-coated, effectively removing stains such as oil stains and fruit stains, leaving no traces and no residual odor.