WHY ? is our attempt to answerall the questions every little child require . Do you have a interrogative ? Send it towhy@mentalfloss.com .
Our skin is supposed to stretch . We do it every day when we squint in the sunlight , make a whacky face , smile , laugh , horned pout , or wrinkle our eyebrows . Each clock time our peel stretches , tiny lines and rut take up to organise below the control surface . Over time , the international pelt gets fragile and drier , and it falls deep into those little grooves . As we get older , we also lose some of the stuff in our tegument that avail it to stretch and then reelect to its normal property .
First , countenance ’s utter about our three layers of skin . The external part is called theepidermis(eh - pih - DER - mis ) . That ’s the part you could see . Under that is ourdermis , where we have stretchable fibers calledelastinthat allow our pelt stretch and then go back to its normal posture , just like an elastic hair’s-breadth lot . The dermis layer also hascollagen(KAHL - uh - jen ) , a protein that helps it detain stalwart and grow newfangled skin cells . Under the corium is the deepsubcutaneous(sub - kyoo - TAY - nee - us ) level , which stores fat . As we get older , we start to misplace collagen , elastin , juicy , and oils made by our skin that keep it moisturized , or less dry .
There are deal of reasons . Our bodies make less of these thing as we maturate , so our skin gets sparse , dryer , and less stretchable . The Sun ’s ultraviolet ( ultraviolet illumination ) lighting also dampen down collagen and elastin fibers . This make more lines and wrinkles . But wrinkles are just a part of liveliness . One day , you ’ll have them too . Take sound care of your cutis by wearing sunscreen and drinking mickle of water to aid your skin stay moisturized .
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