Doublebase Emollient Bath Additive Doublebase Emollient Bath Additive helps to treat dry or chapped skin conditions that may also be itchy, red & sore such as psoriasis, elderly pruritus, icthyosis, dermatitis & eczema. Doublebase Emollient Bath Additive contains the emollient liquid paraffin. This helps to soften, moisturise & protect your skin by trapping moisture in the skin & restoring the normal protective function of the skin. They also prevent the skin-drying & irritation that can be caused by ordinary bathing products. Doublebase Emollient Bath Additive can be used by all age groups, including babies.