Amazon's hair salon in London. Insider/Kate Duffy I went along to Amazon's only hair salon in east London for a $72 haircut. I used the augmented-reality app to see which hair color and style I liked before making a decision. The salon is filled with Amazon-branded products, such as Echos and Fire Kindles. See more stories on Insider's business page. I went along to Amazon’s first hair salon in London to see what the hype was about. When it opened in April, only Amazon employees could go. It opened to the public at the end of May. Insider/Kate Duffy The