i Register
In some senses, beardline is marked as literally. Watch for register when choosing this word.
noun
The line below the baseline where the descending letters, such as ⟨p⟩ or ⟨q⟩, sit.
The beardline is the line reached by descenders in letters like p and q.
The outline of a beard.
Heavy beardlines on men, for example, tend to appear in the blue color range. Applying a “beard cover” containing orange pigment (the compliment^([sic]) of blue) will , theoretically, neutralize the beardline, bringing it closer to the natural skin tone.