Lavera Colour and Shine Shampoo SLS free shampoo for Colour-Treated Hair. Gluten free & silicone free. Lavera Colour & Shine Shampoo with Organic Cranberry & Organic Avocado protects colour-treated and highlighted hair and gives a natural radiant shine. This organic sls free shampoo effectively cleans coloured hair without stripping the hair of its natural oils. Vegan.