Bio-D Concentrated Laundry Liquid fragrance free laundry wash. Ideal for sensitive skin. Use for delicates and fine fabrics such as silk, cashmere and wool. Allergy Friendly Product. A versatile, non-biological concentrated Laundry Liquid for use in Automatics, Twin-Tubs and for washing delicate fabrics by hand. Mixes instantly. Can be used in hot or cool water. Vegan.