The following information is provided to educate and inform. Dolls are quite fragile, so you need to use care when displaying them. In general, dolls should be kept away from direct sunlight, extreme temperatures, excessive moisture, dirt, and cigarette smoke.
Fluorescent lights can severely fade dolls and their features.
Mothballs can emit a gas that can damage many dolls. Keep them away from radiators or air conditioners. Displaying your dolls behind glass may be the best way to protect them, if you can bear to do so. Dolls made from different materials have different needs, and specific materials have particular weaknesses. Celluloid dolls need to be kept away from heat.