Witch hazel is a distilled, liquid plant extract from the leaves of Hamaelis virginiana, a North American popularly used for external as a skin product. 

Witch hazel is known to clean and tone, sooth irritations or inflammation of the skin. It contains powerful tannins which means it has anti-inflammatory and antioxidant properties. 

Witch hazel is popularly known to treat acne. It reduces redness and oiliness of the skin and eliminates bacteria. It keeps you from breaking out and helps combat hyperpigmentation. It is also helpful to treat eczema and psoriasis.

Witch hazel is also helpful to treat bug bites and hemorrhoids. It also promotes healing for bruises, scars and other minor wounds. 

Always consult with a physician.