Tattoos and skin details can add personality and depth to a doll, but they require careful technique to avoid damaging the surface. Start with a clear plan: choose a design that fits the body’s contours and scales correctly with motion. Use high-quality, skin-safe paints designed for the doll’s material and test on a hidden area first to ensure the pigment adheres well and does not cause unintended reactions. For large artworks, consider stencil-based methods or airbrushing that allows gradual layering and shading to achieve realism. Subtle skin details, such as freckles, veins, or birthmarks, can be added with fine brushes or microlines to imitate natural variation. Seal with a compatible, breathable topcoat that protects the design without creating a heavy film. Maintenance includes gentle cleaning and avoiding aggressive solvents that could lift pigment. If you’re unsure of technique or safety, seek guidance from experienced artists who specialize in doll customization and material-specific practices. With patience and precision, you can achieve convincing, durable skin details that enhance realism and storytelling.