Horsetail is a plant extract that boasts a large number of skin benefits. It contains rich levels of silicic acid, which helps strengthen connective tissues, and antioxidants which fight free radical damage that breaks down collagen. Together, these ingredients equal diminished wrinkles for smoother, softer skin. It also soothes by being an anti-inflammatory and promotes skin healing with antiseptic and antimicrobial properties. Plus, it acts as an astringent to tighten pores. Suggested usage :1-5%