having a cooling effect on the skin
hydrating the eyes and surrounding tissues
reducing dark circles due to the high levels of vitamin K
reducing inflammation due to the presence of lignans
brightening the skin due to its ability to inhibit tyrosinase, an enzyme that is involved in the production of melanin
Additionally, according to 2013 research, cucumber helps extract toxins and waste material, cleansing the area.
The same research also states that the cooling effect of cucumber relaxes the skin and alleviates irritation or swelling around the eye.
Earlier research from 2010 notes that the compound silica, which is present in cucumbers, offers benefits for connective tissue, lightening the skin around the eyes.