1. Pour hot water into place 

where stickers are attached (80℃ to 90℃)

2. Insert your finger when the top of the sticker turns blue.

3. Cover with paraffin pack for 10 to 15 minutes

4. Remove the pack, insert it into the package, and reuse it

※ Caution : The pack can only be used up to 3 times. 

Since there is a danger of bacterial propagation, please refrain from using it.