Get to Know Salix Nigra (Willow) Bark Extract Salix nigra, the black willow, is a species of willow native to eastern North America, from New Brunswick and southern Ontario west to Minnesota, and south to northern Florida and Texas. It is also found in parts of Mexico, both south and west of th...

What Is Lactic Acid? Lactic acid is a rock star in skincare! Swedish chemist Carl Wilhelm Scheele was the first to isolate the compound from sour milk. In the late 1800s, German pharmacist Boehringer Ingelheim created methods to mass-produce lactic acid when he discovered it was a byproduct of f...

Benefits of Enzymes in the Skin Enzymes are organic substances that sustain life. They are proteins that act as catalysts, or accelerators, during chemical reactions happening continually throughout the body. Some reactions need to happen quickly, such as the enzymes involved in breaking down b...