Elastic modulus G’ (Pa) of the positive control (long-lasting formula with wax and volatile oil), the negative control (formula that migrates very quickly into the eyelids without wax, butter or volatile oil) and the new formula based on the mixture of jojoba esters (75/25% butter A/butter B w/w) obtained for a stress ramp ranging from 1 to 2000 Pa at 1 Hz and 35 °C.