These shampoo bars are made using a mix of New Zealand natural sea salt and Manuka hydrosol, sea salt is rich in vitamins and minerals and has an antibiotic effect on the skin. Experts suggest that seawater can be used to treat eczema and psoriasis, both of which can impact the scalp and cause hair loss. It’s also known to promote circulation – a real boon for healthy hair growth. Manuka hydrosol is also known to be effective in the treatment of eczema and psoriasis and itchy skin conditions. Leaves your hair smelling fresh and clean with the lemony scent of May-Chang essential oil, which has refreshing, stimulating and uplifting action, making it perfect for relieving fatigue and lethargic psychological states. May Chang has high antifungal and antiviral properties which aids in the treatment and relief of itchy scalp conditions.