How Does Laser Tattoo Removal Work?

TL;DR

Laser tattoo removal works by using high-energy light pulses to shatter tattoo ink particles into smaller pieces, making them easier for the body's white blood cells to remove. Tattoo inks often contain heavy metals, and over time, the white blood cells gradually carry away ink remnants to the liver for excretion, leading to fading of the tattoo.

Transcript

Hey it's me Destin Welcome back to Smarter Every Day. So in the last video we talked about what it was like to get a tattoo in slow motion. But this time we're gonna talk about the removal process. It's way more complicated. It involves physics like thermodynamics, optics, even biology and chemistry are involved. So today on Smarter Every Day we're... Read More

Key Insights

• 😉 Tattoo inks contain heavy metals, which can be injected into the body during the tattooing process.
• 😉 White blood cells play a crucial role in tattoo removal by attempting to remove ink particles.
• 😉 Laser tattoo removal works by breaking up ink particles, making them easier for white blood cells to remove.
• 🤍 The size difference between pigment granules and white blood cells makes the removal process challenging.
• 😉 Tattoos fade over time as white blood cells continue to remove ink particles.
• 😉 The use of lasers in tattoo removal accelerates the removal process by shattering the ink particles.
• ❓ Laser treatment can cause a temporary frosting effect on the skin.

Questions & Answers

Q: How are tattoo inks created?

Tattoo inks are created using compounds that primarily consist of heavy metals, which help create the bright colors seen in tattoos.

Q: What is the role of white blood cells in tattoo removal?

White blood cells recognize tattoo ink as foreign material and attempt to remove it by engulfing the pigment granules. However, the size difference between white blood cells and the pigment granules makes this process challenging.

Q: Why do tattoos fade over time?

Tattoos fade over time because white blood cells continue to remove pigment particles, carrying them through the lymphatic channels to the liver for excretion. This process can take many years, leading to a faded appearance.

Q: How does laser tattoo removal work?

Laser tattoo removal involves using high-energy pulses of light to shatter ink particles into smaller fragments. This allows white blood cells to more efficiently remove the ink and transport it to the liver for elimination.

Summary & Key Takeaways

• Tattoo inks use heavy metals to create bright colors, which are injected into the body during the tattooing process.

• The immune system recognizes tattoo ink as foreign material and attempts to remove it using white blood cells.

• Laser tattoo removal involves using high-energy pulses of light to shatter ink particles, making them easier for white blood cells to remove.