BLACK TEA RENEWAL SERUM. Benefits: Firms. Smoothes lines. Moisturizes. Antioxidant protection. Key Ingredients: Mauritius black tea extract is a patented* ingredient that helps visibly firm skin & smooth wrinkles.. Ocean kelp extract improves skin elasticity for a more youthful appearance.. Niacinamide helps to minimize the look of pores & uneven skin tone while improving radiance.. Ceramide NP helps to strengthen the skin barrier.. Research Results: *Observed results, self-assessment by scoring, 33 subjects, after 8 weeks. **Instrumental test, 32 subjects, after 1 application. ***Clinical assessment by dermatologist, 33 subjects, immediately after 1st application.