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Generally halal
E1520 (Propylene glycol) is a synthetic humectant and carrier solvent; it is not an intoxicating alcohol and has no animal origin, so it is generally considered halal.
Propylene glycol is a synthetic liquid used to keep foods moist and to carry flavours and colours. Despite 'glycol' in the name, it is not the same as ethanol (drinking alcohol) and does not intoxicate.
Manufactured by chemical synthesis (from propylene oxide). No animal-derived raw materials.
Propylene glycol is synthesised with no animal component and is not an intoxicant, so it is generally classified as halal. It should not be confused with ethanol (E1510). As always, the finished product still needs its own verification.
It may be found in — this does not mean every product below contains it.
Propylene glycolE1520Propane-1,2-diolHumectant (E1520)INS number: 1520
Ingredient guidance is not certification. Verify the finished product on the MUIS HalalSG register or with the manufacturer.
Check MUIS HalalSGSources: EFSA, FAO/WHO, MUIS · Last reviewed: July 2026 · This guidance is not certification.
Yes — it is a synthetic humectant/solvent that is not an intoxicating alcohol and has no animal origin, so it is generally considered halal. The finished product still needs verification.
It is a 'glycol', not ethanol (drinking alcohol). It does not intoxicate and is generally considered halal — unlike ethanol (E1510).
'Propylene glycol', 'Propane-1,2-diol' or 'E1520'.
Humble Halal methodology: we classify additives by their common origin, not by any specific product. A generally-halal ingredient does not make a finished product halal-certified. This page is general guidance, not certification or religious/legal advice — always verify the complete product. Last reviewed July 2026.