infected. ICHTHYOSIS , congenita , 5 ml SoftSpot Silver per day. 2 x daily. Ichthyosis is a heterogeneous family of more than 30, generalized, mostly genetic skin disorders . The word comes from ιχθύωση and Ancient Greek ιχθύς, „fish“. The most common type of ichthyosis is ichthyosis vulgaris accounting for >95%