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TBS Mainstage June 26 2026 LB
Hilary Duff's Cool Blue Formulas
Formula
Instagram via @nikkilee901
Formulas
  • Formula A (full highlight)

    Joico Blonde Life Powder Lightener with 20-volume LumiShine developer

  • Formula B (pre-toner)

    Joico Blonde Life Quick Tone Liqui-Crème Toner Silver + Clear + 5-volume LumiShine developer

  • Formula C (light blue)

    Joico Color Intensity 1 part True Blue + 1 part Mermaid Blue + 2 parts Clear

  • Formula D (mint)

    Color Intensity 4 parts Clear + 1 part Mermaid Blue

Hilary Duff's Cool Blue Formulas

The perfect blue shade doesn't exist—wait, it totally does thanks to Nine Zero One Salon co-owner and celeb stylist Nikki Lee (@nikkilee901)! Nikki gave our dream girl Hilary Duff a full-foil highlight and mixed up some cool shades for the perfect blue blend. Keep scrollin' for the color formulas, how-to and a pro tip to prevent unwanted green tones!   Nikki's Celeb Color Notes: "Hilary is no stranger to a fun hair color," said Nikki. "She colored her own hair teal during lockdown. This mix of blues just hits different on her though! She is goals in many...

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