All 3 components that is melanocytes, melanosomes, and melanogenesis is normal but the defect lies in the transfer of melanosomes.
Nevus depigmentosus
Nevus lipomatosus superficialis
Nevus comedonicus
Adenoma sebaceum
Condylomata lata
Nevus anemicus
Hypertrichosis cubiti
Nodular lichen myxedematosus