An active ingredient is a substance in a product that
has an effect on the body. It can affect one part of the body (such as the
skin) or the entire body.
A product can have
more than one active ingredient. The active ingredient of a product is
listed on its box or packaging. Also, the amount of active ingredient is usually
A product can also contain inactive
ingredients that do not have an effect on the body. Inactive ingredients can
help with the delivery of the active ingredient or do other things such as
prevent the product from spoiling. These are often listed after the active
ingredient in the ingredient list.
Adam Husney, MD - Family Medicine & Amy McMichael, MD - Dermatology
How this information was developed to help you make better health decisions.
The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.