Now that I understand your idea better, I understand why it does not exist. This would requite a massive effort on the part of competitive parts suppliers, razor suppliers, service providers, etc., all over the world, to support a single platform on the internet. The closest I can think of is our Badger & Blade with the wide variety of forums offered: BST, Shave Clinic, Soaps, Strops, etc. There are close to 40 forums here. And you have the ability to Private Message any member for help with any topic.
If you delve into B&B, as I have, I think you will find it adequate for the purpose referenced in your original post.
If you delve into B&B, as I have, I think you will find it adequate for the purpose referenced in your original post.