Christine Shahin, author of Natural Hair Coloring, is a licensed cosmetologist and holistic beauty practitioner who owns and operates a popular eco-salon/spa that attracts clients from across the United States. She has a conventional cosmetology license, though her interest and focus have always been on introducing natural, safe, ecologically responsible approaches to self care. She continues to offer classes on natural hair and skin care topics, including coloring hair with pure plant pigments.