Pressed hash is composed of trichomes from a properly cured cannabis flower bud. Trichomes are mainly found on cannabis flower and contain therapeutic chemical compounds like cannabinoids and terpenes. Cannabinoids and terpenes are responsible for the effects and aroma of a cannabis strain, which differs between strains. Essentially, pressed hash is a compressed trichomes in solid form.
Pressed hash can vary in colors. Generally, pressed hash ranges between a light and yellow hue to a dark brown color. Lighter-colored hash typically contains less plant material than pressed hash that features dark colors. In terms of smells, pressed hash can feature smells that range between spicy and floral to diesel and cheesy scents.