The crossword solution for the term 'Skin Gel Ingredient' is ALOE, which is a four-letter word. Aloe is a succulent plant that has been used for centuries as a medicinal plant. It is widely known for its healing properties and is often used in skin gels and creams to soothe and moisturize the skin. Aloe is also known to have anti-inflammatory and antibacterial properties, making it an ideal ingredient for skin gels.