You can put the watermelon in the palm of your hand and gently tap the top of the watermelon with your other hand. If the hand holding the melon feels vibration, it means the melon is mature; if you don’t feel any vibration, , indicating that the melon is either raw or overripe.

To determine the freshness of a watermelon, you can choose a watermelon with a smooth skin and press the rind firmly with your fingers. If the rind is smooth and hard, it means the melon is fresh. If you go to the watermelon field to pick melons, you can also judge the freshness of the watermelon by looking at the amount of white frost on the skin.

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Watermelon juice also contains a variety of important chemical components that are beneficial to health and beauty. It contains citrulline, alanine and other amino acids with skin physiological activity, as well as important metabolic components such as adenine, sugars, vitamins, minerals and other nutrients. It is very effective in moisturizing, sunscreening and whitening facial skin.

Watermelon is rich in potassium, which can quickly replenish potassium that is easily lost through sweat in summer, avoid muscle weakness and fatigue caused by this, and drive away fatigue.

Fresh watermelon juice and fresh melon rind can increase skin elasticity, reduce wrinkles and add luster. Crush the watermelon flesh in a bowl and strain out the juice. This is a natural skin toner. Eating watermelon regularly can also make your hair beautiful and thick. People with dry hair due to perming can eat more.

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Baidu Encyclopedia-Watermelon