Could moisturiser help with dry skin in winter?

Yes! Wintertime wreaks havoc on skin due to dry air. Try humidifier in bedroom. Avoid long hot showers and harsh and drying cleansers like Ivory, Irish Spring, or Lever 2000. Apply fragrance-free moisturizer like Vanicream immediately after shower to damp skin. Reduce itch with OTC antihistamines like Zyrtec. For break-through itch, oral Benadryl (diphenhydramine) and/or Sarna lotion can be added.
Yes. Avoid lengthy showers w hot water (warm is better). Oil-based moisturizers hydrate skin. Moisturize skin often. Hydrate well – especially w water. Eat a nutritious diet. Use gentle soaps or cleansers that are unscented & hypoallergenic. Avoid deodorant soaps or other harsh soaps. Remember that you don’t have to wash entire body w soap every day. Use soap on areas that are dirty or where body.