Refill shampoo for frizzy or unruly hair seeking a smooth look. Smoothing shampoo with a soft and creamy foam formula, ideal for gently cleansing unruly hair and aiding in straightening. The 500 ml refill reduces plastic use by 74% compared to two 250 ml bottles, promoting a sustainable choice for your hair care. Refill and enjoy your silky smooth hair 2x with this new 500ml format.  Even more essential, even better.