Keratin is a tough, fibrous protein found in hair and nails.

角质是一种硬纤维蛋白，在头发和指甲中都存在。

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Hair and nails only look like they have grown after death.

头发和指甲看起来好像在死后会生长一样。

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A good source of biotin, avocados help to prevent dry skin and brittle hair and nails.

作为一种生物素的重要来源，鳄梨可以防止皮肤干燥，头发与指甲的开裂。

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The fibres in feathers are almost entirely composed of keratin, a protein also found in hair and nails.

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Patrons can order a shot of vitamins A, B, C, D and E or a mixture of roots, herbs, fruits and mushrooms blended in blasts called "energy, " "immunity" and "skin, hair and nails" to add to their water.

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Finally, make sure you are well-scrubbed, your nails are clean and your hair is washed.

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