During puberty, the sweat glands develop and you sweat more due to hormonal changes. If the sweat is decomposed by bacteria, an unpleasant smell will develop.
wash every day. As you sweat at night, too, it’s best to have a quick shower in the morning. Use a deodorant to make sure you smell great throughout the day.
This will kill the bacteria responsible for the smell of sweat. It’s best to go for a deodorant that suits your own personal needs, such as Pure & Natural Action Spray from NIVEA, which is aluminium-free and offers 48-hour effective deodorant protection.