Group of compounds found in cucumber called cucurbitacins.cucurbitacins A, B, C, D and E have all been identified within fresh cucumber. Cancer cell development and cancer cell survival can be blocked by activity of these cucurbitacins. Second group of cucumber phytonutrient are lignans. The lignans pinoresinol, lariciresinol, and secoisolariciresinol have all been identified within cucumber. The role of these plant lignans in cancer protection involves the role of bacteria in our digestive tract. These reduce the risk of estrogen-related cancers, including cancers of the breast, ovary, uterus, and prostate has been associated with intake of dietary lignans from plant foods like cucumber.

Cucumber is very useful for skin problems, sunburns and also for curing swelling under the eyes. Cucumber contains hydrogen which is suitable to the skin texture. Cucumber juice is also effective to soften the skin texture.It contains caffeic acid which assists in preventing water retention. Placing two cucumber slices on eyes for ten minutes can reduce the puffiness considerably. Cucumber is also known to be beneficial for curing skin diseases like eczema.

Cucumber is rich in silicon and sulphur and regular intake of this fruit promote healthy hair growth.

Cucumber contains salts and vitamins that are good for cell growth. Because of its water base it is very useful as diuretic. It has cleansing action inside body and removes the old waste. It assists in eliminating uric acid and is good for those who have arthritis.

Cucumber contains hormone that is required by the pancreas to produce more insulin and is thus an essential diet for diabetics. Also the carbohydrate content in cucumber is zero. These carbohydrates are quickly digested and do not increase the sugar level in diabetics and can be easily consumed. Hence by consuming this fruit diabetics can be reduced.

Cucumber is to be taken for weight loss. Its high water content and no calories make it ideal for losing weight effectively. It keeps the body satiated with water and keeps away hunger pangs and at the same time does not add to the fat intake. The high water content flushes out the toxins from the body.

The eyelids, brows and eyeballs can be protected from infection due to the usage of cucumber. Any darkened spots, wrinkles, fine lines, and dents under the eyes can be healed if cucumber is applied as per the direction of doctors.

Regular intake of cucumber can push off renal disorder. It also lowers down the level of uric acid as well.

Long time of being cucumber acid in stomach may leads to indigestion.