There could be a few reasons why your shaving soap isn’t sudsing up. One reason could be that you’re using hard water to shave with, and the minerals in hard water can inhibit the formation of foam. Another possibility is that you’re not using enough soap, or you might need to wet your brush more before working up a lather. Finally, it’s possible that your soap just doesn’t produce a lot of foam. If this is the case, consider trying another brand of shaving soap.
There could be a few reasons why your shaving soap isn’t sudsing up. It’s possible that hard water is making this a chore. You don’t get the rich lather you want because you don’t use enough product.
Why Isn’T My Soap 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. 
How Do You Increase Soap Lather?
Different oils give different amounts and different types of lathers, so many soap makers use sugar to increase the suds. Adding a bit of sugar to a soap recipe can help make a light, bubbly lather with large bubbles when the oils you’re using don’t lather up as much as you’d like. 
Why Does My Bar Soap Stop Lathering?
The reduced surface area of the soap may be to blame for the lack of lathering ability. You don’t get as much soap from the small bar as from a new bar for the same amount of rubbing, which leads to less soap on your skin. Lather less. 
Does Soap Work If Not Lather?
Our cleaning products are associated with the amount of lather they generate while being used. Most people don’t realize that personal and household cleaning products don’t need a lot of lather to do their job. 
How Do You Build A Lather For Shaving?
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. 
How Do You Make Thick Lather?
Whip up a lather with your shaving soap or cream using a damp shaving brush, adding a drop or two of water at a time, until the desired consistency is reached. Practice makes perfect. 
What Ingredient Makes Soap Lather?
Foam or lather is created when detergents and soaps mix with air and water. Sulfates used in personal care are sodium laureth sulfate, sodium lauryl sulfate and coco-glucoside. 
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.