Bloc Osma Alum Block, 2.65 Ounce

Since 1957, Laboratoires Osma has handcrafted high-quality natural alum stones using purified alum crystal for superior smoothness and longevity. Based in the Lyon area, we continue to produce traditional and organic cosmetics in France. Laboratoires Osma' Alum Stone has been trusted for its quality since 1957. Preferred by barbers and users alike, it provides a natural solution for post-shave care. Made from 100% natural alum, this stone effectively soothes razor burn for a refreshing and comfortable shaving experience. Our Alum Blocks are crafted from pure, natural Alum Crystal—never from compressed powder or molds. This ensures that the Osma Block is a solid, long-lasting stone, providing superior effectiveness and durability. is proud to be the first company in the world to have both its raw materials and finished alum stones . Our alum stones are made from 100% natural original alum, ensuring the highest quality and purity. This prestigious certification guarantees our commitment to natural, sustainable skincare. Our blocks are meticulously hand-cut and hand-polished, ensuring a smooth finish for maximum comfort on your skin.