Grandma never threw away onion skins! Here are 6 uses of onion skins worth knowing…

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Jan , 22. 12. 2025

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Most people automatically throw away onion skins without knowing how useful they can be. Onion skins contain valuable substances, such as quercetin, which act as antioxidants, antihistamines and also have strong anti-allergic properties. In addition, they bring many benefits not only for health, but also for the household.

Why not throw away onion skins?

Quercetin, which is the main active ingredient in onion skins, strengthens the cardiovascular system, reduces the risk of stroke and heart attack and has an overall positive effect on health. Below you will find 6 proven ways to use the skins.

1. Tastier and healthier soups

If you are cooking soup, try adding a whole onion with its skin to the pot. The soup will gain a beautiful color and flavor, and it will also be enriched with healthy substances contained in the skin. These substances are not destroyed even by long cooking.

2. Nutrition for houseplants

Your plants can benefit from the nutrients contained in onion skins. Crush the skins finely and mix them into the soil. Regular watering will support the plants’ growth and vitality.

3. Natural remedy for cramps and colds

Prepare an infusion from onion skins:

  • Pour 1 teaspoon of crushed skins with a cup of boiling water.
  • Steep for 10 minutes.
  • Drink 200 ml of this beverage every evening.

The infusion helps relieve leg cramps and eases colds, sore throats, or the flu.

4. Natural hair dye

You can use onion skins for naturally dyeing hair to a golden-brown shade.

  • Pour 1 liter of water over 1 cup of skins.
  • Boil for 1 hour.
  • After it cools, rinse your hair with the liquid, cover with plastic wrap and leave it on for 1 hour.
  • Then wash your hair as usual.

Be aware that your hair may smell like onions for a while.

5. Onion skins in homemade bread

When baking homemade bread, try adding 1 teaspoon of crushed onion skins to the dough. The bread will gain a subtle onion aroma and a beautiful golden color.

6. Treatment of skin problems

Onion skins are a great natural remedy for dermatitis, abrasions, corns and other skin irritations.

  • Chop the onion skins and mix them with pork lard in a 2:3 ratio.
  • Apply to affected areas twice a day.

Conclusion: Use the power of onion skins!

Onion skins are an unassuming treasure that can benefit your health, household and beauty. The best part is that they are completely free and eco-friendly. Try one of the tips above and see their effects for yourself.

Share this article so your friends can learn about the benefits of onion skins!