What makes a fluorescent highlighter marker so bright?

The Best Highlighter Pens

StrideBrite Tank Highlighter by Stride STW42005

Savings: Avery Hi-Lighter Fluorescent Highlighter

Office Depot Brand Chisel Tip Highlighter 100percent Recycled Plastic Fluorescent Pink Pack Of 12 - Office Depot

Avery® Pen-Style Fluorescent Highlighters - Zerbee

BIC Brite Liner Highlighter, Assorted, 12 Pack - BICBL11AST

BIC Brite Liner Highlighter, Assorted Ink Colors, Chisel Tip, Assorted Barrel Colors, Dozen

Non-fluorescent Highlighter : r/stationery

VIVID FLUORESCENT TRANSPARENT COLORS FOR MULTIPURPOSE You will love Dri Mark's smooth fluorescent highlighters. These markers will not bleed and they

Dri Mark Fluorescent Assorted Color Pocket Size Highlighters - Made in USA - Chisel Tip 12 Count, Bright, Transparent, Non Toxic & Low Odor

Fluorescent Highlighters Faber Castell Felt Fluorescent Markers - Highlighters - Aliexpress

Snowhite Liquid Highlighter Chisel Tip, Fluorescent Ink Highlighters, Soft Color, Light Blue - China Stationery, Pen

Drawing Highlighter Marker Bright Color Writing Tool Chisel - Temu

Wholesale Markers Pastel Highlighter Set Eyecare Light Color Milkliner Text Marker Dual Tip Fluorescent Highlighters Pen For Office School 230418 From Xianstore09, $13.93

How do Black Lights Work, Why do Highlighters Look So Bright, and How Can You Impress Your Significant Other with Science? – Sustainable Nano