Set of 2. Saian CoolDuo Massagers are the ultimate refreshing tools and can be used for all beauty and health purposes. They eliminate redness and calm the skin after waxing, extractions and electrolysis, stimulate blood circulation and oxygenate skin. They are excellent after various peels, and for helping close the pores after nutritive facials. CoolDuo Massagers are also an excellent treatment for sinus, puffy eyes, headache, and migraines.