If you have tiny, painless bumps or darkened skin under your arms, you don’t have a rash. You have clogged pores . Because the armpit is a fold, dead skin cells get trapped by sweat and deodorant wax.
I just squeezed my armpit and white stuff came out. What was that? A: A keratin plug (hardened protein) mixed with deodorant wax. Do not squeeze—that causes post-inflammatory hyperpigmentation (dark spots). Exfoliate instead. armpit pores clogged