Plughole Hair Unblocker is an unique formulation using specially developed enzymes to break down hair that causes blockages in bathroom plugholes. As this product is manufactured from specially developed enzymes and does not contain acid based ingredients, please allow between 12 to 24 hours for best results. The formula is free from corrosive chemicals and will not damage plumbing. The bottle contains 2 concentrated applications to tackle the most stubborn of blockages. Product benefits: Dissolves hair, unblocking the toughest blockages caused by it Free from corrosive chemicals, it is safer to use than conventional drain products It will not damage plumbing Vegan and cruelty free