1. Real silk pillowcase is slightly acidic, so it is not suitable to wash with alkaline detergent or soap. It is best to use a small amount of neutral detergent. Remember not to use washing powder, laundry soap, toilet soap and other detergents;
2. After washing the real silk pillow, soak it in water with a few drops of acetic acid for a few minutes to make the color brighter; the washing temperature of the silk pillow should be below 30℃.
3. Mix the detergent in the water with your hands before putting it into the silk pillow; soak in water for no more than five minutes; gently scrub and rinse with your hands, do not wring it out, and hang it in the shade.