A natural sequence for melanotic freckles is to increase in number and darkness along with age. In a case of xeroderma pigmentosum such freckles are fading instead.
RONCHESE F. Spontaneous Bleaching of Melanotic Freckles. Arch Dermatol. 1966;94(6):739–741. doi:10.1001/archderm.1966.01600300063013
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