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+ servings
Hard water buildup shampoo in a reusable squeeze bottle.

Homemade shampoo for hard water

Laura Ascher
This wonderfully cleansing shampoo removes hard water residue from your hair, leaving it fresh and revitalized.
4.72 from 7 votes
Project Type Shampoo
Category Hair Care
Prep Time 10 minutes
Active Time 10 minutes
Total Time 20 minutes
Yield 5 ounces

Equipment

Ingredients
  

Instructions
 

  • Dissolve the salt in warm water.
  • Add it to 1/4 of a cup of the castile soap. It will gel up immediately. Use a fork to stir it together. Don't worry if it stays clumpy; we’ll fix it later.
  • Combine the remaining tablespoon of castile soap with vitamin C powder, charcoal, preservative, and tea tree essential oil in a separate bowl.
  • Stir until the ingredients are fully incorporated.
  • Transfer to the soap and water bowl and mix with an immersion blender.
  • Transfer to an airtight shampoo bottle for storage.

Notes

Use this product 2-3 times a week until you notice your hair is free of buildup and is lighter in texture. After that, use it once a week or as needed.
This amount fits perfectly in the shampoo bottles linked above.
If you wish to use your own preservative, make sure you follow the instructions on the packaging for proper dilution.
If stored correctly in the bottle and away from sunlight, this shampoo should last for up to 6 months.
I’ve included step-by-step images in the post above for visual guidance.
Keyword chelating shampoo, shampoo for hard water buildup
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This recipe is for your own viewing pleasure and is not meant for healing purposes. Readers must perform their own research and tests before making any recipe.