Glycerin (glycerol) is a colorless,odorless, sweet-tasting, viscous liquid with extremely strong hygroscopic properties. It is a natural humectant and is widely used in the cosmetics , food , pharmaceutical , and daily chemical industries, it can be used as a moisturizer, solvent, sweetener, and thickener, moisturizing the skin, repairing the skin barrier, and locking in moisture. It can also be used in handicrafts and dyes. Primarily derived from plants and petroleum, it often appears in USP or food-grade high purity, suitable for all skin types, and is a fundamental ingredient in skincare and daily chemical products. 

Key Features

· Appearance and taste : Colorless, odorless, and sweet.

· Viscosity : It is viscous in its natural state.

· Solubility:Extremely soluble in water (hydrophilic) and infinitely miscible with water.

Main effects

· Moisturizing and water-locking : It is a powerful moisturizer that attracts and locks in moisture, leaving the skin smooth, soft, and hydrated.

· Soothing and Repairing : It can soothe dry, sensitive, and damaged skin and protect against external irritants.

· Carrier function : Acts as a solvent to help fragrances, pigments, preservatives and other ingredients penetrate.

· Enhancing texture : Used as a sweetener, thickener, and filler in food and cosmetics. 

Application areas

· Skincare products : face cream, serum, lip balm, etc., to improve dryness and fine lines, and enhance hydration.

· Daily chemical products : soap, shampoo, shaving cream, etc.

· Food : Water-retaining agents, sweeteners, and preservatives.

· In pharmaceuticals : used as a solvent and sweetener in drug formulations.

· Industrial and handicraft : dyes, paints, inks, papermaking, chemical raw materials. 

Usage Notes

· Dilution : Pure glycerin is viscous and needs to be diluted with water before use, especially when used on sensitive skin or hair.

· For external use only : Some products are labeled as for external use only.

· Research : High-purity glycerin is primarily used for scientific research, not for clinical applications.