Is Dr. Bronner’s Soap Causing My Inflamed Scalp?

I believed that my sensitive scalp (hurt to the touch/scratch in some places) might have been caused by consistent years-long use of Dr. Bronner’s liquid soap. However, after stopping its use for a week or more (and using only water), the situation continued, and may have even intensified. Nothing else touches my scalp other than reverse osmosis water.

• daily consumption of 2/3cup of jasmine rice (boiled with Korean grape seed oil and pink salt)
• mushrooms from China
• stir fried local veggies (chopped bitter melon, okra, eggplant, string beans, pumpkin)

If this situation is not simply a localized, topical irritation due to bacteria or toxin, which of the following foods—consumed almost daily—are most to least likely to be the cause?

Given your situation — a scalp sensitivity that persisted or worsened after eliminating Dr. Bronner’s and using only RO water — we should think in terms of systemic causes rather than purely topical irritation.

Your “almost daily” food list has some potential triggers, but their likelihood depends on how they interact with inflammation, circulation, and immune reactivity.

Most to least likely (based on scalp sensitivity potential)

1. Mushrooms from China — most likely

• Why: Mushrooms are generally healthy, but when imported from certain regions (including some parts of China), they may contain heavy metals, pesticide residues, or mycotoxins due to soil contamination.

• Possible link: These contaminants can trigger low-grade systemic inflammation, sometimes manifesting in skin/scalp hypersensitivity or neuropathic-like discomfort.

2. Jasmine rice (with grape seed oil and pink salt)

• Why:

  • Rice (especially from certain growing regions) can contain arsenic or cadmium; chronic exposure can cause nerve hypersensitivity or inflammatory responses in skin.

  • Korean grape seed oil may be fine if fresh, but if slightly oxidized, it can produce inflammatory lipid peroxides.

• Possible link: If your rice source is high in contaminants or if the oil is even mildly rancid, it could contribute to systemic irritation.

3. Stir-fried local veggies (bitter melon, okra, eggplant, string beans, pumpkin) — least likely

• Why: These are nutrient-rich and generally anti-inflammatory.

• Exception: Bitter melon and eggplant are in plant families that can be mildly irritating for some with nightshade sensitivity (especially eggplant), but this is rare and usually causes joint or digestive symptoms before scalp tenderness.

Mechanism for scalp pain

Scalp tenderness to the touch is often due to:

• Inflammation of hair follicles or small blood vessels

• Nerve hypersensitivity due to systemic toxins or oxidative stress

• Poor microcirculation causing localized buildup of inflammatory mediators

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