1. If you smell, then shower.
2. If you do not have time to shower, use deodorant and dry shampoo.
3. Do not go in public greasy.
4. Good hygiene is key.
5. Always take a shower after working out, including washing your hair.
6. Washing your hair everyday is not necessary and may damage your hair but always wash your body.
7. Do not just rinse in the shower, use soap and lather up.