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About product and suppliers:
        Alibaba.com offers 101 potassium alum block products. About 68% of these are deodorant & antiperspirant, 23% are sulphate, and 20% are men's skin care products. 

A wide variety of potassium alum block options are available to you, such as male, female. You can also choose from free samples. 

There are 100 potassium alum block suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Spain, which supply 77%, 18%, and 5% of potassium alum block respectively. 

Potassium alum block products are most popular in Western Europe, Mid East, and Southern Europe. 

You can ensure product safety by selecting from certified suppliers, including 61 with ISO9001, 35 with Other, and 5 with OHSAS18001 certification.