I Had No Idea What Apple Cider Vinegar Would Do for My Hair Until I Left It In Overnight

• A bottle of raw, unfiltered apple cider vinegar (the kind with “the mother”)
• A clean spray bottle to apply the mixture evenly
• A shower cap to keep the vinegar from drying out
• An old towel to protect my pillowcase from drips

Since vinegar is powerful, I mixed it with water in equal parts: 1 part ACV to 1 part water. That dilution is key—too strong and you risk irritation; too weak and you lose effectiveness.

I also did what doctors always advise: a patch test. I dabbed a little on a small section of my scalp and waited. No redness, no burning. Safe to proceed.

Applying the Treatment

The process itself felt almost ritual-like. I sprayed the cool mixture across my scalp, massaging gently with my fingertips to help it sink in. Then I misted the rest of my hair until it was damp but not dripping.

The scent of vinegar was sharp at first, but not unbearable. With the shower cap secured, I felt confident it wouldn’t dry out overnight. I wrapped the towel around my pillow just in case, turned off the light, and drifted into sleep—half curious, half skeptical.

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