The white streaks squeezed out of the face may be a mixture of oil and keratin secreted by the sebaceous glands of the hair follicles on the skin, which can be treated with medications such as retinoids. The sebaceous glands on the skin of the face secrete an oily substance called sebum, which lubricates the skin and hair to prevent dryness and regulate the body’s temperature. When too much is secreted, it accumulates in the hair follicles and mixes with keratinocytes and other substances to form white streaks. Usually need to pay attention to facial cleaning, it is recommended to use warm water to wash your face, if necessary, can use sulfur soap cleaning. Pay attention to the daily diet light, eat more fresh vegetables and fruits such as apples. Commonly used topical medications such as retinoids such as adapalene gel can inhibit excessive follicular keratinization and reduce sebaceous gland secretion. When patients experience discomfort, they should immediately go to the hospital for medical treatment, and the medication should be applied appropriately as prescribed by the doctor.