I buy it direct from Turkey, where it is made. I get it on ebay, he has a website, but I just like ebay and paypal. Delivery is real quick.
I buy it in packs of 5 usually but there are other options.
His ebay user is maveraeuropeemail
Arko Shaving Stick 5X75GR Cheapest ON Ebay Free REG Shipping | eBay