Professionals working at the best hair salon Manchester tell you that your hair products can also be responsible for causing contact dermatitis (an itchy rash caused by direct contact with a substance you're allergic to). So, if you've introduced new products into your hair care routine, they may be the culprit. Or, it may be that a product you've used for years has been reformulated, so it's worth checking the ingredients list.

Best Hairdressers Manchester: How to deal with dry scalp?