GioMat S2 Sebum Regulator Shampoo is a professional-grade, sulfate-free hair care product designed to regulate excess sebum production and maintain scalp health. This 250ml shampoo is part of the Green Ritual line and is formulated for oily hair and scalp conditions. This is a professional use product that is sulfate-free, making it gentle on the scalp and hair. The S2 designation and Green Ritual branding suggest it uses natural ingredients to help balance sebum production. The 250ml/8.45 fl oz size is suitable for regular use in a professional setting.