Some research suggests ACV may also relieve dryness, which is sometimes confused with dandruff. A 2022 review noted its potential to ease a dry scalp, though the causes of dryness and dandruff aren’t the same. Because of this, experts caution that ACV may not work for everyone, and more studies are needed to confirm whether it truly makes a lasting difference.
What we do know is that ACV has natural antifungal and antibacterial properties. These can help reduce certain bacteria, such as Staphylococcus, and may even target mild fungal growth. Still, its effectiveness varies—showing more promise against some bacteria than against fungi like Ca