Pedigree and genotyping results for families PK-ALO-01 and 02 at nucleotide 429 (exon 2) of HR gene along with phenotypic appearance of affected subjects in family PK-ALO-01; Subject III: 8 had no eye-lashes and scalp hairs, Subject IV: 10 had no eye-lashes with paucity of scalp hairs. In PK-ALO-02, subject III: 28 had no eye-lashes and scalp hairs.