The Grandpa Soap Company, one of the oldest continuously operating soap-makers in America, is introducing a new line of naturally-made haircare products. The new haircare collection includes Pine Tar scalp-therapy shampoo and conditioner, which teams pine tar with the natural properties of tea tree oil to combat dry, itchy scalp. Three additional shampoo and conditioner duos are being introduced to provide specific benefits: smoothing and nourishing Buttermilk for dry and damaged color-treate...