Luxury Men shampoo. Luxury Shampoo for Men. Black Diamond 2-in-1 Shampoo and body wash is perfect for the man on the go. Whether it is at the gym, in your travel bag or you go-to product in the shower. Black Diamond provides all the luxury benefits a man needs. This product uses the power of charcoal, build up and adds shine to hair. Hydrates and softens the skin. The Bourbon Spice conditions stimulates the scalp and skin with ginger root and peppermint extracts. This conditioner is cocktailed with natural herbs and spices that promote healthy hair and board growth.