






🧊 Stay sharp, soothe smarter — the French secret to flawless post-shave care!
The Osma Bloc Alum Block is a 75g pure potassium alum crystal from France, designed to soothe shaving irritation and stop bleeding instantly. Compact and durable, it offers a natural, chemical-free solution trusted by professionals to calm sensitive skin after every shave.




| Manufacturer | Osma Laboratoires |
| Item model number | BLOC1 |
| Product Dimensions | 3.81 x 2.54 x 5.72 cm; 68 g |
| ASIN | B004NEHR28 |
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