Nikwax Wool Wash has been specifically formulated for use when cleaning and conditioning woollen base layers. Base layers need to be cared for properly to keep them in top condition. Once your woollen base layer has been used a few times wash it with Nikwax Wool Wash to refresh, remove odours, soften and enhance drying and cooling. Always apply Nikwax Wool Wash to used woollen base layers, socks and travel clothing to keep them in perfect condition.