Skin Care Cosmetics Ingredients Glossary

Y

yarrow extract. Extract for which there is little research showing it to have any benefit for skin. What studies do exist were performed in vitro, and indicate that it may have anti-inflammatory properties. However, yarrow also has properties that may cause skin irritation and photosensitivity.

yeast extract (faex). a skin conditioning agent.

yerba mate extract. Used for the preparation of the most popular tea-like beverage in South America. It has anti-inflammatory and antioxidant properties.

ylang ylang. Fragrant, volatile oil that can also be a skin irritant. See volatile oil.

yogurt. There is no research showing that yogurt is effective when applied topically on skin. Yogurt consumption may negatively impact those with atopic dermatitis.

yucca extract. Plant extract that can have anti-inflammatory benefits.