To make the lather last longer, shave with a brush and use circular motions.
A rich lather can be created by using oils such as coconut and castor oil. The naturally retained glycerin in handmade soap helps create a lovely lather. The shelf life is usually measured in years.
How Can I Improve My Lather?
Take out your empty bowl, add a small amount of water, and begin swirling the brush in a circular motion. If you notice a creamy lather building, you should swirl the brush about 50-60 revolutions to get the most lather out of your soap. 
What Makes A Good Soap Lather?
A rich lather can be created by using oils such as coconut and castor oil. The soaps made with olive oil will produce a rich and creamy lather. The naturally retained glycerin in handmade soap helps create a lovely lather. 
Why Is My Soap Not Lathering?
It’s possible that hard water is making this a chore. The hard water minerals react negatively with the ingredients in your products. You don’t get the rich lather you want because you don’t use enough product. 
Does Shave Soap Expire?
The shelf life is usually measured in years. Unless an oil that is very volatile is used as a superfat. The soap can go rancid in a few months. There is a near indefinite shelf life for triple milled soaps. 
How Long Does 4 Oz Shave Soap Last?
It is influenced by a number of factors, but assuming your shaving soap is a medium-hardener it will likely last at least 100 shaves. 
Does Shaving Soap Last Longer Than Cream?
It will lather much easier if you plashing a little water on the puck and letting it sit for a few minutes. Some people prefer soaps as the scent is less potent and it lasts more than a tub of shaving cream. 
Frank Harmenstein is the lead editor of the grooming website Cut Throat Straight Razor, and has over 15 years of experience in the industry. He’s personally tested and reviewed over 200 different straight razors, and has written countless articles on the subject.