Using a sex doll means that it will eventually need to be thrown away and disposing of the sex doll in an eco-friendly way will help reduce the burden that it places on the environment. Follow these steps to dispose of it correctly:
From: Sigafun Doll

1. Material Identification
Identify the materials used to construct your doll - could it be made of TPE (thermoplastic elastomer), silicone or a blend of both? Your doll’s manual or manufacturer's website should have more details.
2. Recycling Options
Recycling programs: See if your doll's manufacturer operates a recycling program whereby they take back old dolls.
Specialized recycling centers: Find a recycling facility which specializes in dealing with silicone, TPE and synthetic compounds. These centers have the technology to properly recycle parts safely.
3. Take apart your doll
Separate components: If you feel capable, try to take your doll apart into smaller parts (such as head, torso, and limbs), as this may make the disposal process a bit easier.
Remove any electronic parts: If your doll has electronics (heating coils, AI technology, etc.) remove them and dispose of them according to your local regulations for disposing of electronics waste.
4. Contact your local waste disposal authority
Local waste disposal laws: Your local waste disposal authority should know of ways that you can dispose of synthetic materials such as silicone and TPE in your region. Ask what options are available for disposal.
Hazardous waste: Ask your local waste authority whether any components of the doll would be classified as hazardous waste and what is the proper protocol for disposing of it.
5. Reuse or Repurpose
Reuse components: Perhaps some parts of your doll could be useful as building materials in another DIY or craft project.
Donations: If the doll is in good condition and you are comfortable donating it, then art colleges or institutions may be happy to take the doll for various artistic purposes.
6. Third-party eco-disposal services
Third party services: Some third party companies offer to pick up and responsibly dispose of various kinds of synthetic materials for a fee.
Look online: Some services specifically handle synthetic doll materials with eco-friendly disposal methods, check them out online and review their practices.
7. What not to do: avoid landfills
Landfills are not good places to dispose of dolls. If possible, avoid them, because the materials used are unlikely to break down naturally.
For the future: if you are looking to replace your doll, look into brands that may use biodegradable materials that won't have such an impact on the environment.