How to wash a small bottle containing shower gel and shampoo so that it becomes clean?

Small bottles containing shower gel and shampoo can be cleaned through the following steps:

1. First, wash with hot water and facial cleanser several times, then rinse the bottle with clean water Internal foreign body.

2. Add a little salt or baking soda, add hot water, let it sit for a few hours, and rinse with warm water.

3. Then, pour alcohol or hydrogen peroxide into the bottle to disinfect.

4. Rinse the cosmetics repeatedly with warm water, bottle them 10-15 times, wash and dry.

In this way, the small bottle can be cleaned clean and odor-free, and can be used again.