Garnier introduces a new generation of face masks for women that infuses skin with 1 week of serum with 1 mask. Garnier SkinActive’s Charcoal and Algae Tea Hydrating and Purifying Tissue Mask is a breakthrough black tissue mask technology that offers double purifying and hydrating efficacy. Use Garnier Black Serum Mask if you have dull skin with clogged and enlarged pores. It is enriched with charcoal, known for its ability to remove impurities. It is also enriched with pore tightening black algae extracts. The serum mask will intensely hydrate and purify your skin while also tightening its pores. The sheet mask has been dermatologically tested.