Final answer:
A facial steamer uses a warm, humid mist to open follicles for cleansing.
Step-by-step explanation:
The piece of skin care equipment that uses a warm, humid mist to open follicles for cleansing is called a facial steamer. A facial steamer is a device that delivers a warm mist of water vapor to the face, which helps to soften the skin and open up the pores. This allows for easier removal of dirt, oil, and impurities.