Lush is a cosmetics retailer headquartered in Poole and Dorset United Kingdom. The company was founded by Mark Constantine a trichologist and Liz Weir a beauty therapist. They met in a hair and beauty salon in Poole UK. A few years later they decided to branch out and start their own business selling natural hair and beauty products.Lush is a cosmetics retailer headquartered in Poole and Dorset United Kingdom. The company was founded by Mark Constantine a trichologist and Liz Weir a beauty therapist. They met in a hair and beauty salon in Poole UK. A few years later they decided to branch out and start their own business selling natural hair and beauty products.