There are many different causes of itchy armpits. Our armpits are warm, dark, regularly damp, and constantly trying to grow new hairs. So, the list of things that can cause itchy armpits is long.
These are the three most common causes:
Bacteria is an irritant and is one of the biggest causes of underarm itchiness, so try to spend a little more time on hygiene in your armpits.
2. INEFFECTIVE SHAVING
Shaving without a moisturising cream or gel, with a dull razor, or even too often, can all cause itchy armpits.
3. EXTERNAL IRRITANTS
Many people are sensitive to the chemical ingredients in things like laundry detergents and deodorants. Try switching out your cleaning and beauty products for products.