The existing post on this site covers why lubricant matters and the science behind using it. This one is about the practical choice: which type of lubricant for which activity, how compatibility actually works, and what all the different formulations are trying to achieve.
The three main base types
Water-based
The most versatile option — compatible with all toy materials, all condoms, and all bodies. Cleans up easily with water, doesn't stain, and mimics natural lubrication reasonably closely. The trade-off is that it absorbs into the skin and needs reapplication more often than silicone, especially during longer sessions or high-friction activities. A reasonable default if you're not sure where to start.
Silicone-based
Lasts longer than water-based because it doesn't absorb into skin the same way. Particularly good for water-based activities (shower, bath) since it doesn't wash off. The main restriction is that it's not compatible with silicone toys — it can degrade the material over time and cause surface damage. Fine with glass, metal, hard plastic, and condoms, but if you're primarily using silicone toys you'll need a different base type.
Hybrid (water-silicone blend)
Combines the easy cleanup and toy compatibility of water-based lube with some of the longer-lasting properties of silicone. Generally safe for silicone toys because the silicone concentration is lower, but check the manufacturer's guidance for both the lube and the toy before assuming. A middle-ground option that trades pure performance in either direction for broader compatibility.
Thickness and viscosity
Lubricants are formulated with different thickness levels for different uses:
Thin / low-viscosity
General-purpose consistency, close to natural lubrication. Good for everyday penetrative sex, toy use, and situations where you want glide without feeling heavily coated. Most water-based lubricants fall into this category.
Thick / high-viscosity
Specifically formulated for anal play, where the body doesn't self-lubricate and you need something that stays put longer. The thicker consistency reduces friction more effectively for anal penetration and doesn't require as frequent reapplication. If the bottle says "anal lube," this is what it means — it's engineered for higher friction tolerance, not just repackaged standard lube.
Gel consistency
Sits between thin and thick — more body than a standard water-based lube but not as heavy as a dedicated anal formula. Often used for hand/manual stimulation where you want control over where the lube stays.
Specialised formulations
Warming and cooling
Contain additives that create a warming or cooling sensation on contact. The effect is real but mild — a gentle tingle rather than anything intense. Worth trying if you're curious about temperature-based sensation play without committing to full temperature play techniques (covered in Temperature Play: A Beginner's Guide to Hot and Cold Sensations).
Flavoured
Designed for oral sex, where taste matters. The flavouring is usually sweetened with something other than sugar (to avoid creating a breeding ground for yeast infections), but check the ingredients if you have sensitivities. Not all flavoured lubes are safe for internal use — if the label says "for external use only" or "oral sex only," believe it.
Long-lasting / marathon
Formulated to last through extended sessions without frequent reapplication. Usually silicone-based or a hybrid with higher silicone content. The trade-off is that they take more effort to clean up afterwards and may feel more slippery than some people want for everyday use.
Toy-specific
Some lubricants are marketed specifically for masturbator sleeves or stroker toys. The formulation is usually thicker and designed to enhance texture rather than just reduce friction — particularly relevant for textured or ribbed sleeves where you want the internal features to be felt clearly without uncomfortable drag.
Ingredients to check (or avoid)
Glycerin
Common in many lubricants as a humectant (draws moisture). Generally safe, but some people find it increases their risk of yeast infections — if you're prone to them, glycerin-free is worth trying.
Parabens
Used as preservatives in some formulations. No definitive evidence of harm for short-contact topical use, but if you prefer to avoid them there are plenty of paraben-free options available.
pH level
Vaginal pH should sit around 3.8–4.5. Some lubricants list their pH on the packaging; if you experience irritation or recurring infections, checking that your lube is pH-balanced for vaginal use (rather than neutral pH like most products) can make a real difference.
Hypoallergenic / sensitive-skin formulas
Strip out fragrance, dyes, and common irritants. If you've had reactions to other personal-care products, starting with a hypoallergenic lubricant reduces the variable count when you're working out what suits you.
Compatibility quick reference
| Lubricant type | Latex condoms | Silicone toys | Glass/metal toys | Internal use |
|---|---|---|---|---|
| Water-based | ✓ | ✓ | ✓ | ✓ |
| Silicone | ✓ | ✗ | ✓ | ✓ |
| Hybrid | ✓ | Check label | ✓ | ✓ |
| Oil-based | ✗ | ✓ | ✓ | Not recommended |
Oil-based lubricants (coconut oil, massage oil, petroleum jelly) degrade latex condoms and make them unreliable as a barrier method. They're also harder to clean out of the body and can increase infection risk for internal use. Fine for external massage or solo play with non-latex-barrier situations, but not a general-purpose choice.
Packaging size
Lubricant in a small bottle (50–100ml) is portable and good for trying a new type before committing, but works out expensive per use if you're applying it regularly. Larger bottles (250ml and up) offer much better value for frequent use — particularly relevant if you're using lube with toys every time, where a small bottle empties faster than you'd expect.
Pumps and flip-caps make one-handed application easier mid-session than screw caps do. A minor detail that becomes more relevant once you're actually using the product regularly.
Where to start if you're unsure
A simple water-based lubricant in a medium bottle (100–150ml) with a pump cap, no added warming/cooling/flavour, and a hypoallergenic formulation if you have any history of skin sensitivity. That combination is compatible with everything, easy to use, and lets you work out how much you actually go through before investing in a larger size or exploring specialised options.
If you already know you'll be using it primarily for anal play, start with a dedicated anal formula rather than trying to make a thin lube work for something it's not designed for.
Browse the full range in Lubricants. For the science and health benefits of using lube regularly, see The Science Behind Lube: Why It's More Essential Than You Think. For waterproof toy use in the shower or bath, see Waterproof and Water-Resistant Toys: A Guide to Shower and Bath Play.