There are many kinds and brands of foot patches, lavender is just one of them, and foot patches made of lavender alone are ineffective.

1. Generally, bamboo sticks are the main materials, and other corresponding materials will be added.

2. Lavender is only a material in the foot patch, not the main material. You can check lavender encyclopedia to understand its function.

3. Lavender, as a single product, has a single function, but it has a faint fragrance, which is helpful for sleep.

4. It is suggested to treat foot stickers scientifically and rationally, and not to be superstitious.