
hydroxyethyl cellulose hec.
Ist HPMC vegan?
HPMC
In the UK it was submitted by Dow (who manufacture HPMC for the global food market) for approval to the Advisory Committee on Novel Foods and Processes in November 2011.
The same applies to achieve the needed high viscosity together with an unobstructed (bubble-free) view through the media of the eye and an easy and simple injectability.
Seed coating:
Intraocularly, hpmc is used as a volume substitute for the aqueous humor to maintain anterior segment integrity and anatomical spaces during intraocular interventions, to protect intraocular tissues (i.e. the corneal endothelium), to sustain corneal transparency as well as for the lubrication of intraocular lenses (IOL) and surgical instruments.

Solubility: Almost insoluble in absolute ethanol, ether, and acetone; swelling in cold
Hydroxypropyl methyl cellulose is authorised to be used as a food additive in accordance with Annex II to Regulation (EC) No (1333/2008)3 with specific purity criteria defined in Commission Regulation (EU) No 231/2012.4