Formulated with potassium hydroxide Effectively clears hair that causing blockages in sink, shower or bath drains in a bathroom Made in Netherlands HG Hair Drain Unblocked is formulated with potassium hydroxide therefore it can effectively clear hair that causing blockages in sink, shower or bath drains in a bathroom. Made in Netherlands. DIRECTIONS: Carefully pour the entire content of bottle 1 down the blocked drain and leave it all to work for at least one hour. Flush with plenty of water afterwards.
