Ivory soap is known for two things 1) pure ingredients, 2) it floats. The first is easy. Yes you can make pure soap at home very easily. Here's a natural soap recipe: Mick Stute's answer to What can I do with rosemary? read more
It's not possible for anyone other than the trademark holder to make Ivory soap, by definition! Actually for a few years now, Procter & Gamble in the USA has contracted for the manufacture of Ivory soap from another manufacturer in Cincinnati. However, if you just want to know if you can make floating soap at home, the answer is yes. read more
Also, in less than an hour, it is possible to make enough soap for our family for months and months, and I was able to make soap for less than half the cost of buying it, even with organic ingredients. read more