Definition of tae kwon do for English Language Learners. : a style of fighting that originated in Korea and that uses kicks and punches but no weapons. Britannica.com: Encyclopedia article about tae kwon do.
It is also used in the baking process as a leavening agent; yeast releasing gas into their environment results in the spongy-like texture of breads and cakes. Because of its role in fermentation, humans have known about and used Saccharomyces cerevisiae for a long time.
A yeast ingredient known as bifida ferment lysate. This same ingredient is the backbone of Estee Lauderâs Advanced Night Repair Concentrate Recovery Boosting Treatment, which is overall a significantly better formula, although not as moisturizing as this cream.