Out of the homemade gifts I have made for people, those easy melt and pour soap bars got the best reaction. You can really have fun customizing them with different essential oils, exfoliants, different types of soap bases like goats milk or aloe vera.
There are super easy to whip out a large batch and satisfy your gift list. Just melt the soap base in the microwave, add your essential oils or other scents, add exfoliants if you wish, pour it into a mold, let cool and you are done.
You can find some of the materials for melt and pour soap at your local craft shop, but I have found that brambleberry.com is a one stop shop for everything for melt and pour soapmaking.
I would have posted a photo, but I have to do 10 post first I guess.
I have a post on my blog with a video tutorial given by the good people at brambleberry at 100homemadegiftideas.com.