When it comes to thinning hair, four is better than two. Phyto, the hair care brand owned by Paris-based Alès Groupe, is phasing out a pair of hair-thickening products for men called Phytoaxil and rolling out a new duo called Phytolium 4. Phytolium, which comprises a shampoo and scalp treatment and is meant to combat male pattern baldness, takes its name from the four proprietary botanical ingredients used in its formulations. Phytolium employs a complex called CapicellPro, which f...