Chronic dryness in your scalp can be aggravated during cold and dry weather. Along with reduced moisture in the scalp, combined with considerably reduced sebum production, (the oily stuff your scalp produces) to create a balance between dryness, can cause flaking of the scalp, itchiness and redness. Reduced scalp oil combined together with shampoos and hair products, which have surface scouring components that, lead to the cause of itchiness in already dry scalps occurring naturally.Normal oil production from the sebaceous glands provides a naturally occurring soothing and repairing coat of oil to the follicles and the scalp. Sebum provides the…