Revolutionary hand soap designed to deliver a luxurious hand wash while dramatically reducing environmental impact. Supplied in a compact, 100ml, aluminium refill bottle, this hand soap refill creates 4 litres of rich, premium foam soap all without shipping a single drop of water or single-use plastic. By removing water and single-use plastics from the supply chain, transport emissions, storage space are cut and unnecessary waste is avoided. Simply add water to the 4-Litre forever bottle (sold separately) and pour in the contents from this 100ml aluminium refill bottle.