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Sand is a natural exfoliator for your skin and walking in the sand is a great workout. Soft Star explains, “scientists say it takes 2.1–2.7 times more energy to walk or run on sand than it does to move at the same pace on hard surfaces. That energy is used to strengthen all the muscles between your feet and back, especially your calves, quadriceps and glutes.” So, get off the ship and head to the beach, soften your skin, strengthen your muscles and burn calories.