Why does my sex toy smell?

The cause of the smell tells you what's actually happening to the toy.

Smell on a new toy

If a brand-new toy has a noticeable smell out of the box:

• Plastic / chemical smell that doesn't fade in weeks — almost certainly TPE, TPR, or jelly rubber. These porous materials off-gas plasticisers continuously. The smell often signals that you're absorbing some of those plasticisers during use, which is why these materials are regulatorily restricted in many contexts.
• Faint plastic smell that fades within a few days — likely ABS plastic handle on a quality toy; not concerning.
• No smell out of the box — characteristic of genuine platinum-cure silicone, borosilicate glass, and 316L stainless steel.

If you bought a "silicone" toy that smells chemical, it's almost certainly TPE with marketing labelling. See what's the difference between silicone and TPE.

Smell on an older toy

If a toy that previously didn't smell now does:

• Musty / mouldy smell — trapped moisture, often in the charge port or in storage. Clean thoroughly; air-dry completely; check storage conditions.
• Sour / fermented smell — bacterial growth, usually on porous materials. Often unrecoverable; the toy may need to be retired.
• Greasy / oily smell with visible surface sweating — plasticiser migration on TPE / jelly. The material is degrading; retire it.
• Slight body smell on leather or rope — normal absorption of body scent. Conditioner / time / fresh air will manage it.

What to do

1. Wash the toy thoroughly with fragrance-free antibacterial soap and warm water.
2. Sterilise if material allows — boil non-motorised silicone for 3 minutes, or 70% IPA wipe-down for motorised silicone.
3. Air-dry completely — 24 hours at room temperature, not in a sealed bag.
4. Re-smell. If the smell persists after thorough cleaning, the material itself is the issue — retire the toy.

Prevention

• Buy non-porous materials. Platinum-cure silicone, borosilicate glass, 316L stainless steel.
• Air-dry fully before storing. Trapped moisture is the most-common cause of musty smell.
• Don't store in plastic bags. Breathable cotton pouches let moisture evaporate.
• Wash properly after every use. Bacterial growth requires food (body fluids) and moisture; remove both promptly.

See is jelly rubber safe for the broader material safety question.