- Allantoin: a compound found in the root of the comfrey plant, a hairy perennial Eurasian herb long used in herbal medicine. Within Kiehl's formulas, Allantoin is known to soothe and comfort skin.
- Calendula: Native to the Mediterranean, Calendula Extract and Calendula Petals are known for their skin soothing properties and are commonly used in skincare products for oily skin types. For many centuries, Calendula has been highly regarded as a medicinal herb in both Ayurvedic and traditional Chinese medicine.
- Great Burdock Root has been used for centuries to moisturize dry skin. Known for its soothing properties, Great Burdock Root is also believed to help reduce oil.
