Y - Z
Yeast is a fungus commonly found in food and beverages as it has the ability to convert carbohydrates into carbon dioxide and alcohol - this is why bread is pillowy and beer fizzy. In skincare, yeast is thought to improve hydration, soften the skin and can also act as an exfoliator too.
Zinc oxide is a bright white powder that is used in skincare products for its protective and healing abilities. It is used in mineral sunscreens reflect UV rays as well as creams to encourage healing and reducing inflammation.
Zinc is a white brittle metal and an essential mineral for the body. When taken orally it has been shown to reduce inflammation and regulate oil production making it a fantastic supplement for those suffering from breakouts.