Please install the line a little loose in order to ensure the machine has enough space to run. | Make sure to clean your skin after plucking, and rub lotion may be appropriate. Please do not use alcohol-based products or the contraction of water. You can use some acid-based emulsion since that they can unclog pores to protect the hair follicles. | When plucking there will be a little pain, we have used the latest technology to reduce the pain to the minimum. Please pluck after bath because the pores has been opened and it will be easier for removal and reducing pain. | Please use talcum power when removing. And please install the cotton thread correctly, the cotton thread will break if it's too tight.