Loose joints are a common maintenance concern that can affect poseability and longevity. Addressing them promptly helps prevent more serious wear and preserves the doll’s functionality. Start by identifying which joints have slack or excessive wobble—neck, shoulders, elbows, hips, knees, or wrists. A careful inspection can reveal whether tightening or lubrication is needed.

Tightening is often a straightforward process. Some joints use internal screws or tensioning mechanisms. If tools are provided or recommended by the manufacturer, follow their guidelines precisely to avoid over-tightening, which can cause cracks or impaired movement. In other cases, joint slings, elastic bands, or internal spacers may stabilize the joint without altering the exterior.

Lubrication is another consideration. Use water-based lubricants sparingly and only as directed for the specific joint type. Avoid petroleum-based products that can degrade silicone or TPE over time. After any adjustment, test the joint through a full range of motion to ensure smooth operation and to identify any stiffness that might indicate a different issue.

Preventive care is key. Regularly clean joints and surfaces to remove dust and debris that can impede movement. Store the doll in a neutral, stable position to minimize strain on joints. If joints continue to loosen, seek professional repair or consider replacement parts from a reputable service, ensuring compatibility with your doll’s model and materials.