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🪒 Elevate your shave game—because your skin deserves the ultimate natural defense!
The Jack Shaver Natural Alum Block is a 100g, 100% potassium alum mineral bar designed to instantly stop bleeding from shaving cuts, soothe razor burn, and act as a natural deodorant. Its generous size and included plastic case make it a durable, travel-friendly grooming essential that tightens pores and prevents irritation, perfect for men seeking a clean, confident finish to every shave.





| ASIN | B0CVHKFHC7 |
| ASIN | B0CVHKFHC7 |
| Active Ingredients | Potassium Alum |
| Brand Name | JACK SHAVER |
| Customer Reviews | 4.6 4.6 out of 5 stars (194) |
| Customer reviews | 4.6 4.6 out of 5 stars (194) |
| Item Form | Bar |
| Item Volume | 48 Cubic Centimeters |
| Item Weight | 100 Grams |
| Item model number | 5070002660002 |
| Manufacturer | Meera Samdani |
| Manufacturer | Meera Samdani |
| Material Features | Fragrance Free, Natural, Organic |
| Material Type Free | Aluminum Free |
| Number of Items | 1 |
| Product Benefits | Anti-Itch |
| Product Dimensions | 6 x 4.2 x 2.5 cm; 100 g |
| Recommended Uses For Product | Acne |
| Scent Name | Fresh |
| Skin Type | All, Normal |
| Unit Count | 1 Count |
N**K
If you are new to safety razor shaving or just tired of using tiny toilet paper squares for nicks, this block is a substantial upgrade from standard styptic pencils. I was surprised by the sheer size of the 100g block; it is the size of a bar of soap and, given how little dissolves per use, I expect this to last me well over a year. The alum works exactly as intended, providing immediate feedback—meaning it stings briefly—on areas where I applied too much pressure, while instantly sealing up small weeping cuts and tightening the skin. The real selling point for me, however, is the included plastic case. Since alum is highly water-soluble, it will slowly dissolve into a mess if you leave it sitting directly on a wet countertop, so having a dedicated container to store it in is essential for keeping it clean and intact. My only word of caution is that natural alum is brittle like ceramic, so if you drop this on a tiled bathroom floor it will shatter, but as long as you keep a good grip, it is a fantastic finish to a shave.
R**A
Loved this product. Really works with cuts and tiny wounds.
G**S
I'm very happy with the customer service from the seller. The product is good and they're dedicated to improving it further.
C**E
Buen producto.
J**Y
I have been using this as deodorant for several weeks and it works very well with no irritation (and both baking soda and alcohol cause irritation for me). I wet the end slightly and really go at it for several seconds to each underarm covering the whole area. It def gets me 24 hours odor free. Let dry out after (don't close it in the box). Sometimes I'll double up with another deodorant after but that might be unnecessary.
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