L’Oréal is putting more muscle behind its men’s personal grooming offerings with the launch of Kérastase Homme Capital Force in Europe. A U.S. launch is scheduled for September. The lineup includes three pairs of daily treatment shampoo and a leave-in lotion for at-home use. The products make claims such as “densifying,” “anti-dandruff” and “anti-oiliness.” The formulas are said to work on a hair’s root and on its fiber. There’s also a salon treatment for thinning hair. The ...