Honey supposedly has fungicidal (and bactericidal) properties. The rest
of the stuff looks like standard shampoo ingredients (aside from the
vitamin e).

-- Salty

Honey is acid, it is oxegenated by the enzyme which splits the sugars
making a little hydrogen peroxide , and it is osmotically unfriendly
to bacterial growth because it is so dry.
If you spill it on the ground the plants die too.