Korth Guyenne Shampoo Deep Alignment Regenerator Deep Cleansing Anti Resíduo 1L/33.8 fl.oz Korth Guyenne Deep Alignment Regenerator Shampoo is indicated for chemically treated hair. Korth Guyenne Deep Cleaning Anti-Residue Shampoo cleanses deeply and strengthens the hair fiber. It has an alkaline pH that opens the hair cuticles, making straightening easier. Application Apply the Korth Guyenne Anti-Residue Shampoo to wet hair from roots to ends. Massage gently until it foams. Leave it on for 2 minutes and rinse well. Repeat the process if necessary. Professional Use. Result Clean hair and open cuticles. Package Contents • 01 Korth Guyenne Deep Anti-Residue Shampoo 1L/33.8 fl.oz.