A universal agent for soaking "Fermentol 23" has been tested in production in the soaking process. The product provides an excellent quality of soaking with uniform watering along the thickness of the hide, is a good dispersant of fats and dirt, and splits fiber-to-fiber proteins. The product was tested on a batch of heavy bovine hides with 35+ kg weight. The consumption of the product "Fermentol 23" in the recipe was 1 %. The rate of water content meets the standard. When evaluating the pelt quality, there was no difference between the production and experimental batches. The final conclusion about trials results will be made after finishing the article.