Dear John: The life story of Mark Constantine CEO co-founder of LUSH

In July 1973, at the age of 21, Mark Constantine OBE started making herbal hair products while studying to become a trichologist. Over 50 years later he still works out of his first hair and beauty clinic in Poole High Street, although today as the head of the global cosmetics retailer LUSH.

Dear John tells the rags-to-riches story of how a headstrong young man went from earning £20 a week treating hair and scalp conditions with homemade remedies, to becoming the major product inventor for...