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Avoid scratching to avoid further irritating the skin.
Pityriasis usually clears up on its own within a few weeks.
Fungal infections: when redness persists
Fungal infections, such as ringworm (tinea capitis), cause itching accompanied by redness, scaling, and sometimes localized hair loss.
What to do?
Consult a dermatologist for an accurate diagnosis.
Follow an oral antifungal treatment and use specific shampoos.
Continue treatment even if symptoms improve to prevent recurrences.
Chemical reactions: Beware of hair dyes.
Hair coloring can trigger allergic reactions: itching, redness, burning, and even blisters. One common culprit is paraphenylenediamine (PPD), a common ingredient in hair dyes.
How to avoid reactions?
Always do an allergy test before applying.
Opt for natural or ammonia-free dyes if you have a sensitive scalp.
Sunburn: the scalp is not spared
The sun can burn your scalp, especially if you have thinning hair or are balding. The burns cause itching, redness, and sometimes even flaking.
Protect yourself!
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