eSalon has introduced a range of personalized shampoos, conditioners, leave-in conditioner sprays and hair masks for all hair types. The line is an extension of the brand’s custom hair color, which launched in 2010. eSalon says its personalization technology is complemented by a diverse group of industry experts who understand that every person has different hair needs and goals, and that those aspects evolve over time. After keying in the responses to a brief quiz about hair history...