Dry Skin Castor Oil: What It’s For & How to Use It What is it: Castor oil is extracted from the castor plan, a medicinal plant that is commonly used to treat various health problems like arthritis, dandruff, constipation and hair or skin dryiness.
Dry Skin Dry Skin: 11 Common Causes (& What to Do) Dry skin is usually caused by prolonged exposure to very cold or very hot environments, or by very hot and long showers or baths.