There are a few possible explanations for an itchy beard. One is that you may be experiencing dry skin underneath your facial hair, which can happen if you don’t wash or moisturize regularly. Another possibility is that you have dandruff, which is caused by a build-up of oil and Dead skin cells on the scalp. Finally, it could just be that your beard is growing in and causing irritation to the surrounding skin. Whatever the cause, try using a gentle shampoo or conditioner designed specifically for beards to help alleviate the itchiness.
The dry skin under the beard may be the cause of the itchy beard. New beards are often itchy because the hairs are trained from trimming. Try using a gentle shampoo or conditioner designed specifically for beards.
Does Itchy Beard Mean Its Growing?
Does an itch mean a beard is growing? Your beard is growing, but not always. As you transition from clean-shaven to bristled in the first stage of beard growth, there is some mild itching. New beards are often itchy because the hairs are trained from trimming. 
Why Is My Beard Very Itchy?
The dry skin under the beard may be the cause of the itchy beard. The skin is dried out by facial hair, which draws it up from the surface and onto the hairs. This can leave the skin very dry and flaky. 
How Can I Stop My Beard Itching?
Beard oils and balms help keep your beard clean. These products are used for combatting irritation. This is achieved by keeping your beard soft. You can use these products at the end of your routine. 
Why Does Your Beard Itch?
Poor hygiene, dry skin, ingrown hairs, and excessive grooming of the beards using soaps and other products are some of the causes of beard itch. Sometimes beard itch can be a sign of a much deeper issue. 
Frank Harmenstein is the lead editor of the grooming website Cut Throat Straight Razor, and has over 15 years of experience in the industry. He’s personally tested and reviewed over 200 different straight razors, and has written countless articles on the subject.