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1 medium red onion
1 cup water
1 tablespoon mild liquid castile soap (or gentle shampoo base)
1 teaspoon coconut oil or olive oil (optional, for moisture)
5–10 drops essential oil (such as rosemary or lavender for fragrance and extra scalp benefits)
How to Make Red Onion Shampoo
Extract Onion Juice: Peel and chop the red onion into small pieces. Blend or grate the pieces and then strain through a fine mesh sieve or cheesecloth to collect the juice. You should get about ¼ to ½ cup of fresh onion juice.
Prepare Shampoo Base: In a bowl, mix the onion juice with 1 cup of water and the liquid castile soap. Stir gently to combine.
Add Oils: Add the coconut or olive oil and essential oils to the mixture, stirring well. This will add moisture and a pleasant scent.
Store: Pour your homemade shampoo into a clean bottle or container for easy use.
How to Use Red Onion Shampoo
Wet your hair thoroughly.
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