THE LAB by blanc doux Oligo Hyaluronic Acid Foam Cleanser is a hydrating cleanser formulated with low-molecular-weight hyaluronic acid that ensures deep cleansing while maintaining moisture and a healthy skin barrier, making it ideal for sensitive and dry skin. It has been proven to significantly increase skin moisture levels within 30 minutes of use and is formulated with skin-friendly pH and natural ingredients, free from 20 cautionary substances.