I purchased a 300 ml bottle of Redken Nature and Science Vegan Extreme from Look Fantastic in United Kingdom [Address:- Meridian House, Gadbrook Park, CW9 7RA, Cheshire]. The product is faulty and caused scalp irritation and burning sensation. After trying once I wish to return the item and either be refunded or a replacement bottle issued. This is important as a whole batch could have the same problem. I am a regular customer of Look Fantastic purchasing on line. I am reporting this to you in the hope of resolving this situation. User's recommendation: Normally first rate service and wide choice of goods. The fault lies with the product produced by Redken.