Sebacious fluid- this has seaped from your scalp and impregnated the pillow stuffing, the heat of the washing process has cured it, permenantly gluing together the fibres.
You could try sleeping with a shower cap on to protect new pillows.
@Dammit started
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Sebacious fluid- this has seaped from your scalp and impregnated the pillow stuffing, the heat of the washing process has cured it, permenantly gluing together the fibres.
You could try sleeping with a shower cap on to protect new pillows.