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Description / Tomax INSOMNIA Lubricant 360ml

Tomax Insomnia Lube: Perfect for onaholes

This water based personal lubricant is a littler runnier than most Japanese lubricants, allowing you to feel every little detail of your onahole’s texture. It also has some special ingredients to keep your skin happy and moisturized. Read on to learn more!

Lower viscosity means more intense stimulation

Personal lubricant is available in many different textures. If you imagine a scale running from 1 (runny and watery) to 10 (a thick, gel-like consistency), Tomax Insomnia is about a 3 or a 4. Directly from the bottle it looks a little tick but it becomes thinner as it heats up. This viscosity makes it a nice medium between the thin Western lubes and thicker Japanese-style onahole lotions.

Lubricant viscosity makes a big difference to how you experience your onahole onahole. Thicker lubricants last longer and mellows out some of the harsher textures, making it perfect for long sessions. Thinner lube like Insomnia cover the inside of your onahole in a slin, slippery film ensuring you can feel every detail of the onahole’s texture. This creates a more intense stimulation.

Tomax Insomnia is formulated to stay wet for a long time.

Water-based lube with special ingredients: a face mask for your dick

Water-based lubricant should always be your go-to with onaholes, as silicone or oil based lubricants can damage the material over time. It is also easier to clean up afterwards. Tomax Insomnia has a water-based formula with some nice extras.

Hyaluronic acid might sound unappealing: who would want acid in their lube? But don’t worry: hyaluronic acid is something that your skin also produces naturally. It is a popular ingredient in skincare products because its moisture-binding properties help keep your skin soft and hydrated.

Arginine has a similar function: it’s an amino acid which helps hydrate your skin. In addition, it also stimulates collagen production, which keeps your skin stretchy.

Will Tomax Insomnia turn your dick wrinkle-less and inhumanly soft? Probably not, but it is incredibly well-suited for people who masturbate frequently or have a tendency to get dry, raw skin after sessions.

360ml bottle with convenient cap

Insomnia comes in a fairly large bottle which should last dozens of uses, depending on how much you use.

The bottle has a cap you can open with one hand - perfect if you want to reapply halfway through. Furthermore, it has a small nozzle which allows you to get the lube exactly where you want it, so you don’t make a mess.

Because Insomnia is on the runny side, the nozzle has three small holes in it, which make it pour out more slowly than one big hole would. This ensures you don’t accidentally pour half the bottle out in one go.


  • Water-based lubricant for masturbation, sex and use with sex toys
  • Contents: 360 ml
  • Brand: Tomax Japan
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Customer Reviews

4.5/5 Based on 3 reviews
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Really surprising
Review by FVB
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Much better than expected!
Review by Anon
So this is my first time trying out a water-based lube that is more on the liquid side because it makes you better feel the texture you are grinding against.
They weren't kidding, it was a noticeable difference compared to thicker lubes, such as Onatsuyu or Pepee.
It was a joy to feel the texture more intensely, though it required a lot of self-control to make the enjoyment last longer ;)

As mentioned in the product description, it comes with a convenient nozzle to apply the lubricant.
It is otherwise quite easy to make a mess if you aren't careful due to how liquid it is.

If you are like me and haven't tried out lubricants on the more liquid side, I encourage you to try it out!
Review helpful?
Best lube that i've tried
Review by Kamiya
This lube it's amazing specially with softer onaholes since it is very watery so it doesn't mute the textures, it also lasts a good amount of time
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International Reviews

Een lekker ruikende goed werkende product.
Review by taksim
Ik heb deze gekocht om het te gebruiken bij de tomax venus real (very soft). Dit is een extra dun glijmiddel die het beste past bij producten met weinig textuur en zachter dan normaal materiaal zodat je alsnog optimaal kunt genieten van je speeltje. 2 druppeltjes is genoeg om van de venus real(of andere producten) een glijbaan te maken voor je vriend in je onderbroek. Het ruikt lekker en droogt niet uit voordat je klaar bent. Werkt ook goed bij andere producten. Het is makkelijk weg te wassen omdat het een water based product is. Deze glijmiddel is extra waterig vergeleken andere glijmiddel.
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Review by Alexandre
Bon lubrifiant fait parfaitement l'affaire, durée moyenne un peu trop liquide comparé à d'autres
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