Carrier Oil for Salon use. Jojoba is a liquid wax that has many uses for skin and hair. Jojoba oil is very similar to sebum which is the natural oil humans excrete to lubricate their skin and hair. Jojoba oil helps to reduce wrinkles and stretch marks it works well on skin conditions like eczema, acne and psoriasis. This oil has helps shrink the size of pores as well. Jojoba oil is very good for treating dry and damaged hair as well as dandruff and greasy hair. Jojoba oil also helps with split ends and keeping hair tangle free.