No. 23 The Harrison Beard Growth Serum Oil 1 oz. We would say this is the freshest scented beard oil that has hit your face mane. Beard Oil is very convenient for those with longer beards of 3" or more. It makes it so you can deliver the oil right to the roots of your hair. This way it can eliminate the beard dandruff and itch within a week or less. Our Beard Growth Serum has nine different oils to help reassure a thicker, fuller, and stronger beard.