Using the wrong cleansing oil as hair care essential oil will make hair difficult to comb, dry and loose, and hair loss will occur. Cleansing oil will make hair greasy and difficult to comb; This oil will absorb the original oil in the hair, and the water in the hair will be lost. In severe cases, hair may be dry and loose. Cleansing oil can also block hair pores, affect the effective absorption of collagen, and cause hair loss.