IHL · Humectants & solvents

Vegetable Glycerin USP

INCI name
Glycerin
CAS number
56-81-5
EC number
200-289-5
Physical form
Liquid
Country of origin
Malaysia · Indonesia · USA
HS code
2905.45
Grade
USP / EP
Shelf life
24–36 months

The most-used humectant in cosmetics and the one with the most consequential adulteration history. USP grade with DEG and EG testing on every lot is not a premium here — it is the baseline.

Appearance Clear colorless viscous syrupy liquid
Odour Odorless
Solubility Miscible with water and alcohol; insoluble in oils
Melting point 17.8 °C (supercools readily)
pH Neutral, ~5–7 (10% aqueous)
HLB n/a
Storage Cool, tightly sealed. Strongly hygroscopic — an open drum will pick up water and drift out of spec.
Manufacturing process Hydrolysis and transesterification of vegetable triglycerides — a co-product of soap and biodiesel manufacture.

Certifications

  • DEG/EG tested
  • Gluten-free
  • Kosher
  • Non-GMO
  • Vegan

In full: Vegan · Kosher · RSPO Mass Balance available · Gluten-free · Non-GMO · DEG/EG tested every lot