The following groups of people may have less pronounced hair care effects from the water ions:
People with naturally curly hair, people with hair that tends to frizz, people with hair texture that is good on its own, people who have not had a perm for more than 3-4 months, and people with short hair.
People with naturally curly hair, people with hair that tends to frizz, people with hair texture that is good on its own, people who have not had a perm for more than 3-4 months, and people with short hair.