K4 Four Blade Razor & 8 Cartridges

K4 Four Blade Razor & 8 Cartridges is rated 4.4 out of 5 by 62.

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8 cartridges featuring four precision engineered, super sharp blades mounted on a sprung head for a smooth, close and comfortable shave. Retro styled aluminium handle, knurled for superior wet grip and control. Optimised blade spacing for easy rinse through with a lubricating strip for comfort.


  • The King of Shaves K4 Four Blade Razor is a retro-styled, no-nonsense, highly effective 4-blade razor that’s tough on your beard, yet gentle on your skin. It features four precision engineered, super sharp blades mounted on a sprung head to help ensure they follow the contours of your face for a close and comfortable shave.

    The ergonomic knurled solid aluminium handle offers superior grip and control and comes with optional o-rings for extra comfort.

    So we can offer you the lowest possible price, and to help the environment, there is no additional packaging with the handle or cartridges.

    1. Retro turned and knurled solid aluminium handle.
    2. Ergonomic anti-slip grip.
    3. Contains 8 cartridges with 4 super sharp blades for a close, comfortable shave.
    4. Spring mounted blades for closeness and comfort.
    5. Optimised blade spacing for maximum comfort, closeness and wash through.
    6. Ideal for all skin types including sensitive skin.
    7. King of Shaves products are tested on humans, not animals.
    8. Handle made in China. Blades made in Greece. Cartridges assembled in Mexico.
    9. Important: Enjoy!

    Please note: K4 Four Blade Razor handles and cartridges are not compatible with K5 Five Blade Razor, KOS 5-Blade Razor, Hyperglide or Azor System Razors.

    Lube Strip Ingredients: PEG-115M, Tocopherol, Polysorbate-20, Aloe Barbadensis, BHT.

    Keep out of reach of children. Colour and design of the actual product may vary slightly from those shown. This product was previously called the “Retro 4 Razor”.

  • To maximise closeness, comfort and enjoyment we recommend:

    First wash your face in plenty of warm water ensuring your bristles are thoroughly soaked. Try shaving in the shower.

    Spend 60 seconds massaging your chosen shave prep thoroughly into your beard.

    Using a clean sharp blade, shave carefully with short strokes in the direction of your hair’s growth. Rinse your razor frequently.

    Afterwards, thoroughly rinse skin with clean water. Then pat your face dry with a clean towel.

    Using a moisturiser or a balm after shaving helps to soothe and protect your skin.

    For more information on shaving, please watch our short videos or read our guide to getting a great shave.

    Keep out of reach of children.

Rated 5 out of 5 by from First class Been using this after the azur was replaced........ it’s just as good
Date published: 2020-03-31
Rated 5 out of 5 by from THE...KING of Shaves. I have the unfortunate combination of sensitive skin and a heavy beard growth. Over a number of years the K4 blades have given me consistently close shaves without the discomfort of razor rash. With competitive pricing and fast delivery all round a superior product.
Date published: 2020-03-31
Rated 5 out of 5 by from Great convenient way to buy a good product This is my second purchase of K4, great product and, the blades have a good long life
Date published: 2020-03-05
Rated 5 out of 5 by from Beautifully engineered Feels like a well engineered product with a lovely knurled finish to the handle. The blades are excellent too and last for many shaves. I refuse to be ripped off by Gillette or Wilkinson Sword with their extortionate duopoly. I switched to KoS years ago. My only regret is that I can’t buy them in the big supermarkets.
Date published: 2020-02-23
Rated 4 out of 5 by from Clean shave In combination with KoS shave oil, shaving in the shower is a pleasure. Only downside is the plastic between the handle and head break easily if dropped.
Date published: 2020-02-10
Rated 2 out of 5 by from Cartridges difficult to change I bought this about four weeks ago and although I get a decent shave, I find changing the cartridges difficult. With my old brand I could press a switch and eject the old cartridge and click the new one into place easily but I had to wrestle with the cartridges to change them on this product. Will not be buying them again.
Date published: 2020-02-05
Rated 4 out of 5 by from Take care opening the parcel I have been a long, long term user of the Azor razor and finally nearly run out of blades. I was given a chance to experience an early edition of the K4 razor so decided to buy a set of blades plus handle as my next shaving product. The parcel arrived on time and as ordered, but as I opened it the handle fell on the floor and as luck would have it the blade hanging mechanism broke off the handle and is now rattling about inside the unopened packet. I have used a blade from the new order with the handle I had from the trail edition I was sent and all is good. The blade is as sharp and smooth as I recall it to be, so I look forward to migrating to the new system when my last Azor blade is finished.
Date published: 2020-01-31
Rated 5 out of 5 by from great shave I had used the previous king of shaves razors for years and had stocked up on blades as I found them so good. was worried when my supply finally ran out but am pleased to say the k4 is even better!
Date published: 2020-01-24
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