Author

Samuel Larsen Page 2

On the biology desk at Biology Insights, Samuel Larsen is a staff writer with a focus on skin biology. He worked as a laboratory technician, then reported on general health news for print outlets. Larsen studied biology in college, where he examined the cellular mechanics behind tissue repair.

Is an Hour in the Sun Enough to Tan? It Depends
What Is Melanin in Hair? Types, Color, and Graying
What Are Blisters Filled With? Fluid, Blood, and Pus
Why Do I Get Freckles in the Sun and Not a Tan?
What Causes Hair to Grow and What Can Slow It Down?
Why Are Bald Heads Shiny: Sebum, Sweat, and Skin
What Are Ephelides? The Science Behind Freckles
Do Tanning Beds Age Your Skin Faster Than the Sun?
Does UVB Tan You? Tanning, Sunburn, and DNA Damage
Why Is Stubble So Itchy? The Science Behind the Itch
Why Do People’s Faces Get Red?
Are High-Pressure Tanning Beds Safer?
What Is a Strand of Hair Made Of?
Do Your Eyelashes Grow Back? The Science Explained
Does Picking Scabs Make It Heal Faster?
Do Your Skin Cells Kill Themselves When Sunburnt?
Are All Hairs the Same? The Science of Hair Differences
Do You Need to Wear Sunscreen in the Winter?
Why Is a Scab Itchy? The Science Behind the Sensation
At What UV Index Do You Need Sunscreen?
Why Do Scratches Itch? The Science of Healing
How Often Should You Reapply Sunscreen?
What Makes Hair Stand on End? The Science of Goosebumps
Do You Need Sunscreen When It’s Cloudy?
Is Skin Suffocation Real? The Science Explained
Do Band-Aids Protect Scars From the Sun?
Can Freckles Be Lighter Than Your Skin?
Do Ears Have Pores? And Why They Get Blocked
How Long Do Suntans Last and Why Do They Fade?
What UV Index Is Best for Tanning Safely?