Not exactly a home remedy, but shaving your underarm hair actually exacerbates odors. The skin gets irritated by the razor, as well as lotions and creams, which enables bacteria to grow.
Goats milk soap is ideal, but castile soap works too. Just clean the underarm with natural soap. It helps kill off the bacteria that create the odors.
Apple cider vinegar.
ACV with a splash of lemon juice followed by rinsing with warm water murders the little bacteria that create under arm odor. You can keep the ingredients mixed together in a spray bottle too.
Tea tree oil.
This gentle oil not only smells great, but when applied to the underarm is an anti-bacterial and anti-fungal agent.
Baking soda isn’t just good for laundry, it’s good for your pits too. It’s natural and gentle, helps keep your skin dry all day, and can get rid of underarm odors.
A little lime juice, fresh squeezed from organic limes, can kill up to 99% of bacteria and it helps freshen you up. 1 lime lasts more than a week if stored properly.
Hydrogen peroxide is great at killing underarm odor. You can mix it with a bit of rosewater to eliminate your underarm odor naturally.