1.Please test the force of suction on your hand first before using it on the face.
2.DO NOT stay on and suck the same spot on your skin for over 2 seconds.
Keep the device moving on your skin gently during the suction process, otherwise it might hurt the skin and leave bruise.
3.People with skin diseases, dermatitis, skin allergies, severe injuries caused by sunlight or have any other similar diseases are NOT recommended to use the blackhead remover, or please consult a dermatologist before using the device.
4.Never leave your children unattended with the blackhead remover.