Algenist Alive Prebiotic Balancing Mask This top-rated Algenist Alive Prebiotic Balancing Mask ($27, originally $38) packs in vegan prebiotics and probiotics to balance and detoxify skin (and changes colours as it works). Image Source: sephora.com Algenist Alive Prebiotic Balancing Mask $27 from sephora.com Buy Now