It's possible this could be a low grade fungal infection (Tinea Sicca Alba) on the skin of the face. and a 2.5% Selsun shampoo applied for a few weeks may clear any yeast. The other possibility is Vitiligo, where the skin pigment (Melanin) is lost due to an auto-immune disorder. If the condition worsens, then rather consult a Dermatologist.
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