Silicone-based lubes use silicone fluids like dimethicone and cyclopentasiloxane for a silky, long-lasting, water-resistant glide.
✓ Widely used
The essentials
- Silicone fluids — dimethicone and cyclopentasiloxane.
- Silky, long-lasting and water-resistant (good in the shower).
- Common in silicone-based lubricants.
- Generally not paired with silicone toys — see below.
Function at a glance
| Function | Lubricant/emollient — silky, long-lasting glide |
| Also found in | Skincare, haircare, cosmetics |
| Common in | Silicone-based lubes |
| Sensitivity | Generally well-tolerated |
| With silicone toys? | Often not recommended — check your toy & product labels |
Is silicone lube safe?
Silicone lubricants are widely used, and their key ingredients (like dimethicone) are permitted in cosmetics by regulators including the FDA (as of 2026). They give a silky, long-lasting glide. Individual tolerance varies — check the label and talk to your doctor with concerns.
Can I use silicone lube with silicone toys?
Compatibility is a property of the specific product and toy, so follow both of their labels. As a general rule, silicone lubricants can affect silicone toys over time, so many people pair silicone toys with a water-based lube instead.
Silicone lube vs water-based — what’s the difference?
Silicone-based lasts longer, is water-resistant and doesn’t dry out; water-based is easy to clean and is the safe pairing for silicone toys. Many people keep both — see our sensitive-skin and glycerin-free water-based options.
Prefer to avoid it? Shop the sensitive skin lube →
The chemistry, for the curious ↓
Sources: Polydimethylsiloxane — Wikipedia · Dimethicone — PubChem
This page gives general information about a cosmetic/personal-care ingredient for education — it is not medical advice, and it is not a statement about the safety, performance, or regulatory clearance of any specific product. Regulatory status and science change over time; this reflects public sources as of 2026. Individual tolerance varies. Properties like pH, osmolality, condom or toy compatibility, and any “fertility-friendly” status are determined by the finished product and its label, not by single ingredients. If you’re pregnant, nursing, have allergies or sensitive skin, or a medical condition, talk to your doctor or pharmacist. Always read the product’s full ingredient list and label. Written in-house from open references (Wikipedia, CC BY-SA; PubChem, public domain). How we research →