Is Chen Ai the same as mugwort?

Generally speaking, aged mugwort (Chen'ai) is not exactly the same as common mugwort. Chen'ai is the product of processed, aged common mugwort. The detailed explanation is as follows:

Common mugwort is a typical plant from the Artemisia genus in the Asteraceae family. Fresh mugwort contains a relatively high amount of volatile oils and other components, resulting in a strong aroma and a more intense medicinal property. Chen'ai, on the other hand, is produced by harvesting mugwort and then storing it for a certain period of time. During this aging process, some of its components change; the volatile oils partially evaporate and transform, resulting in a milder aroma and a more mellow, gentle medicinal effect. When used medicinally, Chen'ai often provides better therapeutic outcomes. Particularly in treatments such as moxibustion, Chen'ai is believed to reduce skin irritation and enhance effects such as warming and promoting the flow of meridians.

When using either common mugwort or Chen'ai for health practices like moxibustion, it is important to control the temperature and duration to avoid burns. Extra caution is especially necessary for individuals with sensitive skin. When purchasing mugwort or Chen'ai products, choose reputable sources and products with quality assurance to avoid counterfeit, substandard, or contaminated items that may compromise effectiveness or even negatively affect health.