“As someone in their 50s, I must colour my hair every three weeks to avoid the sparkle of gray hair,” says pro hairstylist and salon owner Wendy Burns. “I sympathize with my clients who just can’t do that kind of salon maintenance due to…

“As someone in their 50s, I must colour my hair every three weeks to avoid the sparkle of gray hair,” says pro hairstylist and salon owner Wendy Burns. “I sympathize with my clients who just can’t do that kind of salon maintenance due to…