Is body needed when taking a shower

is its a must to wash body during shower ?
yes , washing body is more important and required than washing hair , as washing hair usually doesnt have to be daily . but washing body is 
general advices for personal hygine :
1. make sure to change your cloths daily , especially the underwears 
2. avoid overwashing , one round of wash with suitable shampoo or conditioner is enough 
3. avoid using any low quality products 
4. avoid using perfumes or highly perfumed products after washing as it irritate your skin 
general advices to take care of your face skin :
1. avoiding late sleeping and try to sleep earlier than 12 midnight 
2. avoid smoking 
3. aviod using high brightness screens especially at night
4. exercise regularly ( 3 - 4 times aweek ) 
5. avoid stress and anxiety 
6. using whitening creams such as loreal and elemis cream ( daily ) 
7. using masks around 2-3 times a week
8. using green tea bags eye mask 2 - 3 times a week