What are the carbopol and sodium hydroxide used for in your First Aid Gel and why do you use them?

The carbopol used is approved for use in food as an ingestible. It is also used in medicinal syrups for infants. It is present as a fraction of a percentage of the total formula content, used only for engaging the liquid into a gel consistency for appropriate and prolonged topical application. The sodium hydroxide is a common ingredient used to adjust the product pH close to skin pH. The small amounts of sodium hydroxide added react completely to form a neutral pH environment that is safe for skin.