Selecting lip pigments for a doll requires attention to safety, colorfastness, and compatibility with the material. Look for pigments labeled safe for use with the doll’s skin substrate and check for non-reactive, non-toxic formulations. Favor pigments that offer stable, fade-resistant color through routine handling and cleaning. Test color swatches on a hidden area before full application to confirm no adverse reactions with the material or adhesives used nearby. Aim for a natural range of lip tones, from soft rose to rosy taupe, building up color gradually with thin, translucent layers to mimic real lips. Sealers should be compatible with the pigment and non-reactive to touch, maintaining a soft, lifelike finish rather than a glossy, artificial shine. Avoid overly bright or neon hues in order to preserve realism and minimize highlight artifacts on curved surfaces. Regular maintenance includes gentle cleaning and reapplication when color begins to dull or peel with use. Keep a log of pigment mixes and application methods for consistent results in future touch-ups. Safety-first practices ensure both longevity and a believable, aesthetically pleasing look.