
I let you buy
feminine HYGIENE products
The Big Bang Theory Season 7, Episode 2

I'm scrupulous about my HYGIENE,
I regularly disinfect my hands...
The Big Bang Theory Season 3, Episode 15

Intelligence,
ruthless attention to HYGIENE...
The Big Bang Theory Season 2, Episode 13

Third World HYGIENE.
The Big Bang Theory Season 5, Episode 1

I also have an idea for a bulk,
mail-order feminine HYGIENE company.
The Big Bang Theory Season 1, Episode 4