Ensuring the safety and comfort of users is a priority in sex doll manufacturing, especially regarding allergic reactions. Manufacturers select hypoallergenic materials such as medical-grade silicone and high-quality TPE that are less likely to cause skin irritation or allergic responses. These materials are non-porous, which prevents the buildup of dust, bacteria, and other allergens, making them easier to clean and maintain hygienically. Additionally, many dolls are coated with protective, non-reactive finishes that further reduce the risk of skin allergies. Manufacturers also perform rigorous testing and quality control to ensure the absence of harmful substances like phthalates or heavy metals, which can trigger sensitivities. For users with known allergies, some companies offer dolls with removable, washable covers or skin layers that can be sanitized regularly. Proper cleaning and maintenance routines, using gentle, allergen-free products, are also recommended to minimize any potential reactions. Overall, thoughtful material selection and stringent manufacturing standards help create safe, allergy-free experiences for users.