Walk into any adult toy retailer and you’ll see “liquid silicone” proudly displayed on price tags. But what does it actually mean? Why does it cost more than “silicone blend” or TPE alternatives? And is it actually worth paying for?
This guide answers those questions and more—so you can make informed decisions before you buy.
What Is Liquid Silicone?
Liquid Silicone (formally: Liquid Silicone Rubber, or LSR) is a premium polymer used in medical, food, and consumer products. Unlike “room temperature vulcanizing” (RVC) silicone that’s cured at room temperature, liquid silicone is injection-molded at high temperature and pressure, creating a denser, more uniform material.
How Liquid Silicone Is Made
The manufacturing process matters:
- Raw liquid silicone is injected into precision molds under high heat and pressure
- The mold is heated to complete the curing process
- The finished toy is ejected—no seams, no joints, no potential weak points
- Every part of the toy is the same consistent material throughout
This precision manufacturing is why liquid silicone toys cost more to produce—and why they’re worth it.
Why Liquid Silicone Is the Gold Standard
Non-Porous
Liquid silicone is completely non-porous at a molecular level. That means bacteria, mold, and fungi cannot penetrate the surface. Compare this to TPE or jelly materials, which have microscopic pores that can harbor contaminants no amount of washing can fully remove.
Hypoallergenic
Silicone is one of the least allergenic materials used in consumer products. It’s the same material used in breast implants, catheters, and baby bottle nipples. Even people with sensitivities to other materials often tolerate liquid silicone without issue.
Heat-Resistant & Sterilizable
You can boil liquid silicone toys (non-electronic) for full sterilization. This is a critical advantage—being able to fully sterilize means you can safely share toys between partners or switch between anal and vaginal use without risk.
odor-Resistant
Silicone doesn’t absorb or retain odors. Toys made from TPE or jelly often develop a persistent chemical smell over time. Liquid silicone maintains its neutral, odor-free quality with proper care.
Superior Feel
Liquid silicone has a dense, premium hand feel that softer materials can’t replicate. It warms quickly to body temperature and has a realistic weight and flexibility that makes it feel substantial without being rigid.
Liquid Silicone vs. “Silicone” (RTV/RTV-2)
Not all “silicone” is created equal. RTV (Room Temperature Vulcanizing) silicone cures at room temperature, often resulting in a less uniform, slightly more porous material. RTV silicone toys may be softer, less durable, and have a shorter lifespan than liquid silicone toys.
Look for toys specifically labeled “liquid silicone” or “LSR” from reputable manufacturers. When in doubt, ask the manufacturer directly.
How to Care for Liquid Silicone Toys
- Cleaning: Fragrance-free dish soap and warm water, or boil for 5–7 minutes (non-electronic toys)
- Lubricant: Water-based or oil-based (not silicone lubricant, which can degrade the surface)
- Storage: Individual breathable pouches, away from direct contact with other silicone toys
- Avoid: Harsh chemicals, dishwasher (top rack), and submersion of electronic toys
The Bottom Line
Liquid silicone is the premium choice for sex toys—safer, more durable, easier to clean, and better feeling than cheaper alternatives. Yes, it costs more upfront. But a single liquid silicone toy can outlast multiple TPE toys, making it the better long-term investment.
Every toy in the Mutanttoys collection is made from 100% body-safe liquid silicone. No blends, no shortcuts—just the real thing.