SUITABLE FOR ALL TYPES OF SKINS: Please don't stay the blackhead remover in one place too long, just slide the pore vacuum up and down to prevent from purple and red skin. Three adjustable suction power of the blackhead remover satisfy different type of skin demand. 4 ADJUSTABLE STRENGTH LEVEL FUNCTION: You can easily adjust the appropriate suction levels in this blackhead remover for your skin areas and know which level it is with the indication light. Low level of the pore vacuum can be used for sensitive skin, Medium level of the blackhead vacuum for small blackhead and high Level of the blackhead extractor for big blackhead or pores