Is The Gel In Freezer Packs Toxic?

Is The Gel In Freezer Packs Toxic? The gel in most freezer packs is non-toxic and biodegradable; it is usually a polymer or cellulose. Some products may also include additives like preservatives, sodium chloride, minerals, water, or dye. Can ice packs be dangerous? Putting ice or any kind of chemical cold pack—homemade or otherwise—directly on