My buddy has a glorious beard that he puts though a strict daily regiment. Wash & condition, towel dry, then blow dry while brushing it. Then flat iron & post straightening serum. :
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How to Straighten Beard Hair | Cremo Blog
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How to Make Your Curly Beard Straight with Pro Straightening Tips - Beard and Company
How To Straighten A Curly Beard • The Beard Struggle
What to Know Before Buying a Beard Straightener – Beardbrand