Sol

“Foaming is a huge reward,” said Sinclair, the brand manager. “Shampoo doesn’t have to foam, but we add foaming chemicals because people expect it each time they wash their hair. Same thing with laundry detergent. And toothpaste—now every company adds sodium laureth sulfate to make toothpaste foam more. There’s no cleaning benefit, but people feel better when there’s a bunch of suds around their mouth. Once the customer starts expecting that foam, the habit starts growing.”
― Charles Duhigg, The Power Of Habit: Why We Do What We Do In Life And Business

“The Golden Rule of Habit Change: You can't extinguish a bad habit, you can only change it.”
― Charles Duhigg, The Power of Habit: Why We Do What We Do in Life and Business

“The best agencies understood the importance of routines. The worst agencies were headed by people who never thought about it, and then wondered why no one followed their orders.”
― Charles Duhigg, The Power of Habit: Why We Do What We Do in Life and Business

“Typically, people who exercise, start eating better and becoming more productive at work. They smoke less and show more patience with colleagues and family. They use their credit cards less frequently and say they feel less stressed. Exercise is a keystone habit that triggers widespread change.”
― Charles Duhigg, The Power of Habit: Why We Do What We Do in Life and Business