Eyes & Brows blog

Eyes & Brows blog

How to Prevent Fine-Line Brow Tattoo Pens from Bleeding into Pores and Turning Blue-Green Under Sunlight

by Glowza Beauty Editorial Team on Sep 25 2026
Learn the pigment chemistry of microblade brow pens: why cheap carbon black inks feather into oily pores and oxidize to blue-green under UV light, and how micro-pigment suspension creates crisp hair strokes that last 12 hours.