Apple cider vinegar (ACV) is a popular natural remedy for hair care, praised for balancing scalp pH, reducing dandruff, and adding shine.
In an experiment, the author applied diluted ACV to their hair overnight. The next morning, their hair was softer, shinier, and the scalp felt cleaner with less itching.
ACV helped reduce frizz and product buildup while maintaining hair hydration and avoiding irritation.