What Causes Armpit Stains in the First Place?
We’ve all been there – our almost-new shirt develops yellowing under the arms, relegating it to wear only under blazers or sweaters until it can be replaced. But what if these stains were treatable? What if you could remove the underarm stains you already have, AND prevent them before they appear in new clothes? The more you know about why these stains appear, the closer you’ll be to solving this age-old laundry trial. </p>