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The Physical Mechanism Behind Wrinkles Revealed

Strategic Insights

— 1 min read

Research from Binghamton University has made a significant breakthrough in understanding the physical process behind wrinkles. Scientists, led by Associate Professor of Biomedical Engineering Guy German, examined human skin samples and found that wrinkles form when the skin stretches in one direction and contracts in the other, causing it to buckle. This behavior is more pronounced in older skin, leading to the formation of wrinkles. The study provides experimental evidence for a long-held theory that skin wrinkles due to a combination of factors, including genetics, pathological conditions, and solar photodamage.

Key Takeaways:

  • Wrinkles form when skin stretches in one direction and contracts in the other, causing it to buckle.
  • This behavior is more pronounced in older skin, with wrinkles forming more frequently and deeply as people age.
  • The skin's mechanical properties change with age, leading to a greater contraction in one direction and a greater lateral stretching, causing wrinkles to form.
  • Premature aging from spending chronic periods out in the sun can have a similar effect on skin as chronological aging.
  • The cosmetics industry's claims about anti-aging products may be misleading, as the actual mechanisms behind aging are complex and multifaceted.
  • The study's findings provide a new understanding of how wrinkles form and may lead to the development of more effective anti-aging treatments.

Statistics:

  • The study examined skin samples from people ages 16 through 91.
  • The researchers found that when skin is stretched in one direction, it contracts in the other direction, with this contraction increasing with age.
  • The study's results provide experimental evidence for a long-held theory that skin wrinkles due to a combination of factors, including genetics, pathological conditions, and solar photodamage.
  • The skin's mechanical properties change with age, leading to a greater contraction in one direction and a greater lateral stretching, causing wrinkles to form.

Sources:

  • Global News, "Your skin buckles as you age - and that's why wrinkles form"
  • Journal of the Mechanical Behavior of Biomedical Materials, "Elucidating the Mechanistic Process of Age Induced Human Skin Wrinkling"

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