1. Cosmetics & Personal Care
Very common in beauty products because it helps retain moisture.
• Creams and lotions
• Shampoos and conditioners
• Toothpaste
• Deodorants
• Makeup products
Function:
• Moisturizer (keeps skin hydrated)
• Solvent (helps dissolve other ingredients)
• Preservative booster
2. Pharmaceutical Uses
Used as a carrier for medicines.
• Oral syrups
• Injectable drugs
• Topical creams and ointments
It helps dissolve active ingredients so the body can absorb them.
3. Food Industry
Food-grade propylene glycol is used as:
• Food additive (E1520)
• Flavor carrier
• Moisture preserver in foods like cakes, icing, and soft drinks.
4. Industrial Uses
• Antifreeze and coolant
• Hydraulic fluids
• De-icing solutions for aircraft
• Plastic and resin productions