Skin is the body’s largest organ, but two small areas are often overlooked by skin care brands: the underarms. Now, Procter & Gamble’s leading AP/deo brand Secret is tackling the needs of this special region of the body in a new formulation, Secret Derma+ Antiperspirant, which was designed with female dermatologists and P&G’s R&D team, which spent more than a decade on the project.   “Visibly healthier, smoother underarm skin is at the heart of Secret Derma+ Antiperspirant’s inn...