Redken Glyprogenic Glypro-L Shampoo Salon PrescriptionGlypro-LAn acid-balanced shampoo scientifically formulated to regulate the way fine-to-medium diameter hair responds to frequent shampooing. Ensures body without dryness. Redkens exclusive Glyprogenic system fortifies the hairs natural protein and carbohydrate structure for body and manageability without buildup.Prepares hair to receive the maximum benefit from a Redken conditioner or reconditioner.