The oil acts stimulatingly and refreshingly on types of skin, tightens pores and has a favourable influence on loose skin by restoring its radiance. It helps smoothen the skin susceptible to cellulitis and has a manifested lifting action. Against hair loss. The essential grapefruit oil has an acute refreshing smell and is pale yellow or light ruby-colored and of water consistency. As all citrus oils, grapefruit oil should be used within 6 months after opening.