Apple cider vinegar (ACV) has been a staple in natural health and beauty routines for centuries. Known for its acidic nature and rich nutrient profile, ACV is often praised as a miracle solution for various hair concerns. From balancing scalp pH to enhancing shine, this humble kitchen ingredient has earned its place in the spotlight.
But what actually happens when you apply it to your hair overnight? I decided to find out — and the results were surprising.
Understanding the Benefits of Apple Cider Vinegar
ACV is renowned for its ability to restore the natural pH balance of the scalp, which can be disrupted by shampoos, styling products, and environmental factors. Its acetic acid content helps to:
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Remove product buildup
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Reduce dandruff
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Add shine to dull or lifeless hair
It’s also rich in vitamins and minerals that nourish the hair, helping to make it stronger and more resilient. Thanks to its antimicrobial properties, ACV can even soothe itchy or flaky scalps — making it a versatile addition to any hair care routine.
Preparing for the Overnight Hair Treatment
Before applying ACV to my hair, I gathered a few essentials:
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Raw, unfiltered apple cider vinegar
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A spray bottle
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A shower cap
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An old towel (to protect my pillowcase)
To reduce the risk of irritation, I diluted the ACV with water in a 1:1 ratio. I also did a quick patch test on a small area of my scalp — something I highly recommend if you’ve never used ACV topically before.
How I Applied Apple Cider Vinegar
Once the diluted solution was ready, I:
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Sprayed it evenly onto my hair and scalp
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Gently massaged my scalp to boost circulation and ensure better absorption
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Covered my hair with a shower cap to lock in moisture and prevent drips
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Wrapped a towel around my pillow for extra protection, then went to bed
The Morning After: My Observations
When I woke up, I noticed a faint vinegar scent, but nothing overpowering. My hair felt slightly damp but not uncomfortable. I removed the shower cap and was surprised — no stickiness, no residue.
I rinsed thoroughly with lukewarm water, then followed with a gentle shampoo to remove any lingering scent.
Texture, Shine, and Immediate Results
The difference was clear almost immediately:
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My hair felt softer and smoother
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There was a noticeable increase in shine
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Frizz was reduced, and my hair looked sleeker overall
It genuinely felt like my hair had gone through a deep detox, with the cuticles more sealed and the strands visibly refreshed.
Scalp Health and Hair Growth Potential
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