Sachajuan Thickening Shampoo 250ml Sachajuan Thickening Shampoo is formulated with ocean silk and thickening technology which gives your hair smooth volume. The hair is nourished, providing a foundation for amazing styling. Heat and UV protectants work together to make your hair become healthier and shinier. Sachajuan is a cruelty-free brand; they do not test any of their products on animals.