blonde-eyebrows-fill-in-how-to-be-a-redhead We may receive commissions from links on this page, but we only recommend products we love and deem ‘redhead friendly’. Full Disclosure. AUTHOR: H2BAR Team Posted on in ASK RONA: How to Fill In Your Eyebrows Then, you will need a natural dark red brow tint, but eyeshadows or pencils can work quite well for temporary fixes.