Hydrogen __, Mild Antiseptic Used on Cut & Scrapes

This page is the CodyCross answer for the clue below from Fauna and Flora, Group 179, Puzzle 5 (Leopards and Jaguars).

Question is: Hydrogen __, Mild Antiseptic Used on Cut & Scrapes

and the answer is: PEROXIDE

Word Meaning:

PEROXIDE — (inorganic chemistry) A divalent radical or anion containing two oxygen atoms linked by a covalent bond; any substance containing this group yields hydrogen peroxide when treated with an acid.

Definitions from Wiktionary.