Polyethylene glycol 4000

　　Main Application Areas

　　Pharmaceutical Field (Core Application):

　　Pharmaceutical Excipients: Used as binders, lubricants, disintegrants, or coating materials for tablets and capsules, it can improve the flowability of drug powders, reduce tablet sticking, and enhance formulation stability.

　　Laxatives (Oral): As an osmotic mild laxative, it treats constipation (especially suitable for the elderly and post-operative patients) by creating high osmotic pressure in the intestines, absorbing water, softening stool, and stimulating intestinal peristalsis. Its action is gentle and does not affect normal intestinal physiological functions.

　　Injection Excipients: Used to dissolve poorly soluble drugs (such as certain antibiotics and hormones) to increase drug solubility; or as a lyoprotectant to prevent denaturation of biological preparations (such as proteins and vaccines) during the freeze-drying process.

　　Daily Chemicals and Cosmetics:

　　Used as a humectant, thickener, or emollient in skincare products, shampoos, and toothpaste, it can improve product texture, enhance skin moisture, and is gentle and non-irritating.

　　Industrial Field:

　　Used as a plasticizer or leveling agent in coatings and adhesives to improve product extensibility and uniformity.

　　Used as a softener and antistatic agent in the textile industry to improve fabric hand feel.

　　Used as a defoamer and lubricant in the food industry (must meet food-grade standards).