Moisturizer Shampoo Bar For Dry Hair 2 Oz. Moisturizes and softens dull, coarse hair and prevents protein loss by nourishing and strengthening it with vitamins. Argan Oil, Shea butter is good for a flaky and irritated scalp, as its anti-inflammatory properties reduce dryness and treat potential scalp damage. Shea butter also has emolliating qualities, helping to lock in moisture without leaving hair heavy or greasy. Ship USPS First class mail.