We use T-Sal shampoo on Cate every other day (lather, sit for 2-5 min, then rinse). She gets a 30-60 minute bath in baking soda and salt daily, plus either Hydroxizine or Zyrtec at bedtime. It doesn't completely curb the itching, but we've seen an improvement with this routine.
Mama to Cate (1/30/08), our little monkey.
Collodian Baby/Lamellar Ichthyosis