Hello,
As a 4 month beard grower, but long time aromatherapy dabbler, I have been using sweet almond oil, with Frankincense and sandalwood essential oils, for their anti itch and clean scent. This happens to be the same blend I used post shave, when I did that, and it works a treat: softens the beard and eliminates itch and spots, keeping the beard clean has been the best thing to reduce the itch also.
Sweet almond oil is also good for body massage and other concotion uses.
Definitely recommend the comb too as an investment, de~tangler and aaaaah! itcher!
have fun blending.
p.s. Jojoba, is actually a light wax that won't absorb as well as an oil, but may be what you want. it is a base oil, with minimal smell.