Guhl Shampoo Curl Strength has been formulated especially for use on curly or wavy hair. It uses Gingko Biloba extracts and moisture-rich Jojoba to provide special care and gentle cleansing that leaves hair looking healthy and your curls and waves feeling light and soft. Combined use with Guhl Conditioner Curl Strength provides optimal care for curly or wavy hair. Concentrated formula - a little goes a long way!