Pump Curl and Grow Hair Mask is packed with Biotin to strengthen hair, and Jojoba Oil to nourish your curls. Designed specifically for co-washing, so there is no need to shampoo your hair first before using this mask. Australia's first curl and growth co-wash mask. Key ingredients: Biotin, Jojoba Seed Oil, Rosemary Leaf Extract, Nettle Leaf Extract. 250ml. How to use: Wet hair down completely then use a towel to remove excess water. Apply mask to roots and massage in then bring through to the ends. Leave in for a minimum of 20mins, or for best results overnight. Rinse out with water. Do not wash hair before or after use.