Workwear Guide

How to Wash Hi-Vis Clothing Safely.

Hi-vis is safety equipment. When the reflective tape goes dull and the fluorescent fabric goes gray, the gear stops doing its one job — making sure you're seen.

We are a trades-first laundry company building concentrated formulas that pull embedded job-site soil out in one wash — without bleach, softeners, or optical brighteners that wreck FR gear and reflective tape.

We're a trades-first laundry company building concentrated formulas that pull embedded job-site soil out in one wash — without bleach, softeners, or optical brighteners that wreck FR gear and reflective tape.

What dulls hi-vis gear?

High-vis garments rely on two things: fluorescent background fabric and retroreflective tape. Both degrade faster from how the gear is washed than from the work itself:

  • Ground-in grime and road film graying out the fluorescent color.
  • Optical brighteners and harsh additives leaving residue on the fabric and tape.
  • High heat and over-drying breaking down the reflective tape's bond over time.
  • Fabric softener coating the surface and trapping soil.

Basic hi-vis wash rules

1. Read the garment care label first

ANSI/ISEA high-vis garments vary by class and manufacturer. The care label is the first authority — always.

2. Wash hi-vis separately

Keep it away from towels, linting fabrics, and oily rags that redeposit soil onto the bright fabric and tape.

3. Use a clean-rinsing detergent

Skip fabric softener, chlorine bleach, and optical brighteners. For trade work it also has to cut sweat, diesel, oil, grease, and road grime — not just freshen.

4. Wash inside-out, gentle, warm (per the label)

Turning the garment inside-out protects the reflective tape. Hotter isn't cleaner — it's just harder on the tape bond.

5. Skip fabric softener and dryer sheets

Residue is the enemy of both reflective tape and fluorescent fabric.

6. Air dry when you can

Heat is what loosens reflective tape over time. Hang it; inspect the tape before any dryer heat.

How to get a graying hi-vis vest clean again

  1. Shake out loose dust and pre-treat the worst grime and grease spots.
  2. Turn it inside-out; wash warm if the label allows, with a clean-rinsing workwear detergent.
  3. No bleach, no softener, no optical brighteners.
  4. Air dry and inspect the tape and seams.
  5. Repeat for heavy road film — lifting ground-in soil, not bleaching it, is what restores brightness.

Ingredients to avoid on hi-vis

  • Fabric softener / dryer sheets — residue dulls fabric and tape.
  • Chlorine bleach — damages fibers and dyes.
  • Optical brighteners — leave chemical residue; not ideal for hi-vis or FR.
  • Starch — buildup and stiffness.

Not sure which of these you're getting wrong? Take the free 60-second FR Laundry Mistake Checker — Take the FR Laundry Mistake Checker →

Workwear detergent built for gear that has to be seen.

Blackwater Workwear Detergent is being built without optical brighteners, fabric softener, or chlorine bleach — designed for diesel, grease, sweat, oil, and heavy jobsite grime.

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Related guides

Hi-Vis Clothing FAQ.

Can I use fabric softener on hi-vis clothing?

No. Fabric softener leaves residue that dulls fluorescent fabric and reflective tape.

Why does my hi-vis vest look gray?

Usually ground-in grime, road film, or residue from the wrong detergent — not the fluorescent dye failing on its own.

Does Blackwater restore reflective tape?

No product restores reflective tape. Blackwater leaves out ingredients that degrade hi-vis and FR gear, so it's safe to use on it. Follow your garment care label.

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