COSRX Advanced Snail 96 Mucin Power Essence Don't let the star ingredient "snail mucin" turn you off to the COSRX Advanced Snail 96 Mucin Power Essence ($12, originally $23). This lightweight essence helps boost hydration, brighten skin, and soothe redness. And no, it's not sticky. It goes on sale Sunday, Jan. 17. Image Source: ulta.com COSRX Advanced Snail 96 Mucin Power Essence $12 from ulta.com Buy Now