You’ll notice some people can walk through an attic full of fiberglass and barely flinch. Meanwhile, you’re over here looking like a tomato that got into a fight with a cheese grater.
It comes down to skin thickness and hydration. People with thicker, calloused hands or oily skin often have a natural barrier. Dry, thin skin? You’re a welcome mat for the glass splinters.
Also, believe it or not, sweat is a factor. Moisture makes the fibers stick and slide deeper into your pores. So if you’re sweating while working with fiberglass? Oof, you’re basically laminating yourself with pain.
The chemistry of “why doesn’t it just wash off?”
You hop in the shower, scrub with soap, and still feel prickly. Why? Because fiberglass is chemically inert—it doesn’t react with water or soap. The fibers aren’t dissolving; they’re just floating away in the water, leaving a few stubborn ones behind.
PPT - Health hazards in the ME labs PowerPoint Presentation, free
Think of it like trying to wash sandpaper off your skin with lotion. It doesn’t work. You need friction and adhesive (like duct tape) to physically yank them out.
And please, for the love of all that is itchy, don’t use a scrub brush. You’ll just embed the fibers deeper. I learned that one from the blisters. (You’re welcome.)
