hair processed with science

Science

IN EVERY STRAND

arrow pointing to science

PROCESSED TO PERFECTION | WHY SETTLE FOR LESS WHEN YOU DESERVE THE BEST? | COMMITMENT TO SUSTAINABILITY | EXPERIENCE THE PROLONGED DIFFERENCE | STRENGTH IN EVERY STRAND | Hair Makes a Difference – THE Hair Also Makes a Difference

PROCESSED TO PERFECTION | WHY SETTLE FOR LESS WHEN YOU DESERVE THE BEST? | COMMITMENT TO SUSTAINABILITY | EXPERIENCE THE PROLONGED DIFFERENCE | STRENGTH IN EVERY STRAND | Hair Makes a Difference – THE Hair Also Makes a Difference

science hair extensions

THE ONLY HAIR EXTENSIONS BACKED BY REAL,
UNDENIABLE DATA NOT UNSUBSTANTIATED CLAIMS.

beautiful platinum blonde prolonged hair extensions

PROLONGED HAIR
CHANGES THE GAME.

The hair extension industry is flooded with sketchy, unverifiable claims—brands throw around buzzwords but never show real proof.

We’re the only brand that puts our money where are mouth is and invests in independent studies—and publishes every result, good or bad. That’s how confident we are that our extensions are simply unmatched.

background showing hair extensions being made

DON'T JUST TAKE OUR WORD FOR IT

SEE THE DATA YOURSELF

The difference? Other brands hide their lab results—we showcase ours.

hair that stands out, and stands strong

COMPETITOR

PROLONGED HAIR

competitor vs prolonged hair extensions competitor vs prolonged hair extensions
  • Zero cuticle in sight
  • Animal hair mixed in
  • Smothered in silicone—washes off fast, leaving hair brittle and dull
  • Low density = flimsy volume + disappointed clients
  • Healthy human hair, robust cuticle—fully intact, even after Level 12 processing
  • Scientifically enhanced via our Pro•Lock Process™ —maintains thickness and shine
  • Denser, fuller strands that stand the test of time

Independent studies confirm:

430% Stronger
| 72.6% LESS BREAKAGE

Visibly denser, healthier strands—even after high-lift processing (Level 12)

READY FOR

EXTENSIONS

THAT ACTUALLY

THAT

ACTUALLY

DELIVER?

Prolonged Hair combines Whitney’s proven product development expertise with transparent, ironclad science— giving you:

  • Unrivaled strength and longevity
  • Real cuticle-intact hair you can bleach, tone, and style like your own
  • Ethical, fully traceable sourcing that meets the highest global standards

Join the revolution, where science, ethics, and integrity finally come together.

LEARN MORE