Situated to Craponne, near Lyon, Laboratory Osma
delivers all over the world an accomplished range of products with a potash alum base. Our team of
specialists masters all the stages and all the techniques necessary for the elaboration of these
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Osma Alum Block Stop Shaving Irritation Bleeding Stone
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The Osma natural potash alum stone is the indispensible tool of the modern man, for shaving without irritation.
Thanks to its astringent and soothing properties this stone, applied after wet shaving, calmes down the razor fire and tones the skin.
It also stops bleeding in much the same way as a Styptic.
It can also be used before electric shaving to prepare the bristle for the razor.
The alum stone must be moistend before use and dries after use.