Still wine and grapeseed oil can contribute natural components to cosmetic emulsions.•Low wine concentrations yield rheo-logically stable O/W emulsions.•The optimum wine percentage in theaqueous phase was found to be 20%(v/v).•Mastic resin at 2% (w/v) is optimumfor preparing O/W emulsions withgrape seed oil.•Combining wine and mastic resinresults in bigger droplets and lowerviscosity