Face Serum Oil Control Facial Essence Skin Care Shrink Pores Serum Whitening 60ml How to Use After cleaning the blackheads, take 3-5 drops of the serum in the palm of your hand and apply it to your face to shrink pores and moisturize skin. Massage gently until absorption. PRECAUTIONS 1.For external use only. 2.In case of sensitive skin, please test the product on the inside of the arm first. 3.If any discomfort, please immediately stop using and seek the assistance of a dermatologist. 4. Avoid contact with eyes. If contact occurs, rinse eyes thoroughly with water.