The term 'emollient source' can be summarized by two crossword solutions: Aloe (4 letters) and Aloe Vera (8 letters). Aloe is a genus of succulent plants that are often used in cosmetics and other skin care products. Aloe Vera is a species of Aloe that is widely used for its medicinal properties. It is known to have anti-inflammatory, antibacterial, and antifungal properties, making it an ideal emollient source.