Visibly brighten skin with the South Beach Roll-On for Underarms. Many people suffer from dark and discoloured underarms and this unique roll-on has been designed to combat this issue and provide you with the confidence you deserve. Boasting South Beach’s Insta-Brite™ technology, the formula provides a visible brightening effect, leaving skin with a youthful looking glow. The roll-on is extremely gentle and suited perfectly for sensitive underarm skin.