* Hair type: Oily hair needs to be washed more frequently than dry hair.
* Lifestyle: People who work out a lot or live in humid climates may need to wash their hair more often.
* Personal preference: Some people just feel better when they wash their hair every day, while others prefer to go longer between washes.
Here's a general guide:
* Oily hair: May need to be washed daily or every other day.
* Normal hair: Can usually go 2-3 days between washes.
* Dry hair: May only need to be washed 1-2 times per week.
It's important to experiment and find what works best for you. If you're unsure, talk to a hairstylist or dermatologist for personalized advice.