Winter weather can be just as harsh for your hair as a hot, dry summer. The winter air combined with central heating indoors can also be dry and this leaves your hair vulnerable to frizz, tangling and breakage. The reason for this is the reduction in the amount of sebum produced by your body at this time of the year. Sebum is oil secreted from the scalp. This natural substance helps to moisturize your scalp and hair preventing excessive drying and flaking. Read more