Scalp Fungal Issues 🌿 A Deep Dive Into Scalp Fungus + How to Support Your Scalp Naturally Scalp irritation, dandruff, and stubborn dryness can often be traced back to a surprisingly common issue: a fungus that lives on most adults’ scalps . This microorganism feeds on your natural scalp oils and breaks them down into oleic acid , which can trigger inflammation, flaking, and discomfort in many people. If you’re dealing with chronic scalp issues, understanding this cycle is th