Retinol is a form of Vitamin A, a fat-soluble vitamin. Vitamin A is needed for the proper growth and functioning of many parts of the body, including the eyes, skin, and immune system. People most commonly use vitamin A for treating vitamin A deficiency. It is also used for aging skin, acne, HIV/AIDS, cataracts, child development, infections.
Vitamin A can be found in many foods, including fruits, vegetables, and fish.

• Appearance: Yellow to orange crystalline liquid
  
• Solubility: Practically insoluble inwaterorglycerol; soluble in absolute alcohol,methanol,℃hloroform, ether, fats and oils.
  
• Stability: Stable, but light and air sensitive. Incompatible with strong acids, strong oxidizing agents.