I am female. I put soap on a washcloth and rub it on my body, then rinse well. Once out of the shower or bath, I use body lotion. I am frequently told that I smell good and/or delicious, so I'm pretty sure I am doing it right. :) If you have dry skin, use lotion or look for a soap that is milder. I have a lot of allergies so I use Ivory, which doesn't have a lot of extra perfume and no colourants or other additives. You can also use small-batch artisanal soaps, which are risky if you have allergies but may be less drying because a lot of them are superfatted and/or made with goat's milk and that sort of thing.

I don't like bath poufs because they feel weird and are gross over time. I own a loofah gourd, which I use when I feel particularly needful of exfoliation, but mostly it's the washcloth for me. Basically it's going to be what kind of texture you like to feel, as far as what you use for scrubbing (a lot of people use their hands, but I don't feel clean enough if I do that), and product wise, use what makes your skin feel good.

For hair, go get a good haircut from a good stylist. If you are paying less than $30 in most markets you are getting a dreadful haircut. I routinely expect to pay $70 for a haircut because I have thick curly hair. If you like what the stylist does, ask them to recommend products and show you how to use them. If you do not, wait till it grows a bit, try another stylist. Ask your friends and coworkers where they get their hair cut. If you have a male friend who always looks particularly well-groomed, ask him who does his hair. This is how most people find stylists.