Experience the power of our Silk Serum for immediate skin smoothness and long-term radiance. Clinical results show that: Immediately: 100% showed improvement in skin smoothness* After 2 Weeks: 100% showed a reduction in skin redness* 100% showed improvement in skin texture* After 4 Weeks: 85% showed improvement in the look of lines + wrinkles* 78% showed improvement in firmness* *Based on an expert grading clinical study on 41 panelists. #tatcha #retinolalternative #tatchasilkserum #silkserum