(R)-(-)-Propylene Glycol, also known as (R)-1,2-propanediol, is an organic compound widely used in various applications such as cosmetics, pharmaceuticals, and food additives. Chemical formula of this compound is C3H8O2 and CAS number is 4254-14-2. (R)-(-)-Propylene Glycol is a clear, colorless, odorless, and slightly viscous liquid with a sweet taste. It is manufactured by hydrolysis of propylene oxide and consists of a chiral center. This compound is optically active, meaning it can rotate polarized light to the left or anti-clockwise. In cosmetics, (R)-(-)-Propylene Glycol is used as a humectant, which helps to retain moisture in the skin. It is also used as a solvent and a viscosity modifier in various skincare products such as creams, lotions, and serums. In pharmaceuticals, (R)-(-)-Propylene Glycol is used as a vehicle for active pharmaceutical ingredients (APIs) to improve their solubility and bioavailability. It is also used as a stabilizer and preservative in various oral and parenteral formulations. In food additives, (R)-(-)-Propylene Glycol is used as a humectant, flavor carrier, and viscosity modifier in various food products such as baked goods, soft drinks, and dairy products. In summary, (R)-(-)-Propylene Glycol is a versatile compound with various applications in cosmetics, pharmaceuticals, and food additives. It is a safe and effective ingredient that enhances the performance and stability of different products.

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