Improves immunity, advances blood flow, lifts skin, offers lymph draining action, enriches skin with microelements and vitamins, excretes, removes toxins and heavy metals, tones skin up, moistens, assists in suggilations and scars resorption, improves skin elasticity, decreases fat deposits. Black sapropel muds from Demenetz Lake feature increased content of diatomaceous microalgae with silicon impregnated cell walls that promotes keratinous cells gentle exfoliating. Peeling effect of Demenetz sapropels combines physical exfoliating and chemical peeling due to humic acids which activate cell enzymes and restore normal cell metabolism.