68 years old male. Suffering from the chronic severe itch. Xerosis / atopic dermatitis / senile pruritus (various terms used by doctors). Extreme dry skin, no rash, no flakes, no boil, no bristles, no sign of external infection, no sores. Scratching makes the skin red with small protrudes. Looking at the correct moisturizer for skin out of 1. Urea / lactic acid combinations 2. Style acid 3. Soft paraffin + liquid paraffin 4. Natural moisturizer factors based - aloe vera - vit e etc. Will be thankful for advice.