Custom face paints for dolls require careful compatibility with the chosen material. Start by identifying paints that are labeled safe for non-porous surfaces and specifically tested for silicone or TPE. Look for pigments that cure with minimal odor and form flexible films to resist cracking with facial movement. Many makers prefer paints that are labeled as skin-safe, non-toxic, and water-based or silicone-compatible, depending on the substrate. When selecting face paints, consider a multi-step approach: base skin tone, shading for contours, blush, and fine details like lips and eyelashes. Sealing layers with a compatible, clear sealant helps preserve color and protect from wear. For customization, request color-matching services or pigment libraries that offer a range of undertones suitable for different ethnic appearances. Practice on test swatches before applying to the doll to prevent damage to delicate surfaces. Finally, ensure you follow curing times and ventilation guidelines during painting sessions. With careful material selection and a methodical process, you can achieve durable, natural-looking facial finishes tailored to your doll.