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Replacement cartridges are available in great value Multi-Buy Packs.
Please note: KOS Retro 4 Razor handles and cartridges are not compatible with KOS 5-Blade Razor, Hyperglide or Azor System Razors.
Posted by Michael C Southward on 22nd Jan 2022
I love the razors they are smooth and perfect for my skin no rashes I have already ordered 8.. Will continue to use them in future
Posted by Michael on 16th Jul 2019
I love the retro feel of the round handle. It takes me back 60 years to my youth! I find the round handle gives me a better grip and control of the razor. The four blades provide an excellent smooth shave.