Rash Decision, new from Oloff Beauty, New York, is a nourishing, clear gel that immediately soothes rashes and minor irritations with tea tree and soya bean oils, as well as benzoil peroxide to reduce redness and sensitivity. It is sold in 2- and 4-oz. sizes in salons. Another recent Oloff Beauty addition is Aeto, a hair care line based on the curative properties of globally-sourced botanicals. Aeto products are said to increase hair strength 47% after four treatments. They are sold in select s...