皂 is a Chinese hanzi, listed here under the keyword “soap”. It is built from 白 (white) and 七 (seven). It appears as a component in 2 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “white” + “seven”. 皂 is among the results, together with every other character containing the same shapes.
Open 皂 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.