Can you eat plaster of Paris?
Quick Answer
No
Plaster of Paris is a substance made of gypsum, a mineral that can cause serious harm if ingested. It’s used for various purposes like arts, crafts, and construction, but it’s not safe for consumption.

What Is It?
Plaster of Paris is a quick-setting gypsum plaster consisting of a fine white powder, which hardens when moistened and allowed to dry. It’s used in mold making, casting sculptural and architectural details, and making chalk and plaster bandages.
Why It Can Be Risky
Ingesting plaster of Paris can lead to a number of health risks, including:
- Gastrointestinal obstruction: The plaster can harden in the stomach or intestines, causing blockages.
- Chemical burns: The plaster can cause chemical burns in the mouth, throat, and stomach.
- Dehydration: The plaster can absorb water from the body, leading to severe dehydration.
Safe Alternatives
If you’re looking for a safe, edible alternative to plaster of Paris for a project, consider using food-grade materials like chocolate, fondant, or sugar paste.