OGX Kukui Oil Shampoo OGX Kukui Oil Shampoo (£7) is sulfate free, making it an ideal choice for anyone with coloured hair as it won't strip strands. What this gentle cleanser does contain is kukui oil, which helps banish frizz and leave hair soft and shiny. Image Source: superdrug.com OGX Kukui Oil Shampoo £7 from superdrug.com Buy Now