What is the use of an eggshell?
- Introduction.
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Introduction: In this article, we introduce 13 lesser-known uses of eggshells. Wisdom is everywhere in life.
- What is the use of an eggshell?
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Here are some practical uses for eggshells:
✵1. Eggshell for skincare: Eggshells offer beauty benefits—especially the inner shell membrane (the innermost layer), which is rich in collagen and nicknamed the “phoenix coat.” Apply it directly to your face, nose, or chin to help remove blackheads and dead skin. Additionally, the inner layer of egg white (not “egg white liquid in the eggshell”) can be used to make effective DIY masks. Mix a small amount with a spoonful of milk powder and honey, apply to your face, rinse after 30 minutes, and enjoy refreshed skin.
✵2. Eggshell calcium supplement: Wash eggshells thoroughly, lightly bake them until dry, then grind into a fine powder. Mix this powder with rice to prepare calcium-enriched rice. A small bowl of calcium-enriched rice paired with a side of egg-and-vegetable salad not only supplies essential nutrients but may also support weight management and skin health.
✵3. Eggshell cleaning agent: Soak fresh eggshells in water to create a mild protein-based solution; use it to wipe glass or wooden furniture to enhance shine.
Crushing eggshells and adding them to rice-washing water helps remove grease quickly. For kettles with stubborn limescale, boil eggshells in water twice—the scale will loosen and detach more easily.
✵4. Eggshells for plants: Some gardeners mistakenly place whole eggshells directly into flowerpots, leading to unpleasant odors or maggot infestation. This is incorrect because residual egg white inside the shells promotes rapid decomposition. The proper method is:
(1) Air-dry cleaned eggshells outdoors for one or two days until brittle; then break them into small pieces. (Eggshells should be rinsed and dried thoroughly before use.)
(2) Place the pieces in a bottle or bowl and crush them using chopsticks or a stick.
(3) Remove surface soil from the flowerpot, bury the crushed eggshells, and cover with fresh soil to allow gradual nutrient release.
Note: Eggshells consist primarily of calcium carbonate, which can help regulate soil pH.
✵5. Anti-inflammatory and analgesic application: Finely ground eggshell powder applied topically may aid in treating minor wounds, reducing inflammation, and relieving pain. The inner eggshell membrane can also soothe minor burns and scalds.
✵6. Eggshell crafts: After cleaning and air-drying intact eggshells, decorate them with paint—such as oil paint—to create delicate, original art pieces.
✵7. Juicer cleaning: To safely clean hard-to-reach juicer blades, add half an eggshell, water, and a drop of detergent, then run the juicer for several minutes. The abrasive action of the shell helps dislodge residue; rinse thoroughly afterward.
✵8. Treating minor scalds and burns: For mild scalds or burns, gently apply a thin layer of the inner eggshell membrane along with a small amount of egg white to the affected area. Change the dressing daily; this may relieve pain and support healing within three to five days.
✵9. Relieving stomachache: Wash and crush eggshells, then pan-fry over low heat until pale yellow—not black—and grind into a fine powder. Take one teaspoon daily, divided into two or three doses, mixed with water before or after meals. This may help alleviate gastric discomfort, reduce excess stomach acid, and support duodenal ulcer management.
✵10. Ant repellent: Gently toast eggshells until slightly darkened, then grind into powder and sprinkle in ant-prone corners to deter or eliminate ants.
✵11. Removing kettle limescale: Kettles used frequently develop thick limescale that is difficult to remove. To address this, add crushed eggshells to the kettle with water and boil twice—scale loosens significantly. Similarly, for thermos flasks with scale, add crushed eggshells and water, shake vigorously, then rinse.
✵12. Degreasing glass bottles: For greasy residues inside old glass bottles, add crushed eggshells and water, let sit for two days, then shake vigorously—the grease lifts and rinses away easily.
✵13. Clean the sink and faucet: Place crushed eggshells in an old silk sock (or a fine-mesh cloth bag), then use it to wipe stainless steel faucets and sinks. This method neither scratches nor damages the surfaces, leaves them bright and clean, and also helps clean hard-to-reach sanitary—such as brush bristles and rag crevices.
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