Creating safe and hygienic female sex dolls with realistic features involves meticulous material selection and manufacturing processes. Manufacturers prioritize using body-safe, non-toxic, and hypoallergenic materials such as medical-grade silicone and thermoplastic elastomers. These materials are resistant to bacterial growth and easy to clean, ensuring the doll remains hygienic over time. The internal frameworks are often designed to be waterproof or sealed, allowing users to wash the doll thoroughly without damaging internal components. Additionally, many dolls feature removable and washable parts, such as the head, limbs, or insertable cavities, facilitating regular sanitization. To prevent mold or bacteria buildup, manufacturers recommend cleaning with gentle, non-abrasive cleaning agents and avoiding harsh chemicals that could degrade the material. Some dolls come equipped with integrated features like antibacterial coatings or coatings that inhibit microbial growth, further enhancing safety. Proper storage is also essential; keeping the doll in a clean, dry place helps maintain its hygiene. Overall, the combination of safe materials, thoughtful design, and proper maintenance practices ensures that female sex dolls with realistic features remain safe and hygienic for users, providing peace of mind and a more satisfying experience.