How long has it been since you cleaned your silicone strap?
Because of silicone's unique physical structure, it repels dirt and liquids; And because it's cheap, people don't clean it very often. However, silicone straps, like other material straps, also need to be cleaned.
Regular cleaning of the strap will help maintain the original luster of the watch strap. Not pleasant to think about, but these are simple to clean. Now, let's start cleaning that silicone watch strap.
Cleaning tools you may need:
Soft Bristle Toothbrush
Cotton Cloth or Microfiber
Method 1, apply a little soapy water to the stain on the strap, then gently wipe with a soft toothbrush, and finally, rinse it off and dry the watch strap with a cotton cloth.
Method 2, apply a little baking soda to the stain on the strap, then gently wipe with a soft toothbrush, and finally, rinse it off and dry the watch strap with a microfiber.