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Brunettes Trending 2026

Mushroom Brown: professional formula, shades & technique

A cool brown with a grayish-ash undertone reminiscent of mushroom color. Neither warm nor entirely cool, it lives in a very sophisticated neutral-cool territory. Viral in 2025-2026 for its minimalist aesthetic.

Mushroom Brown variations

Chromatic range of the shade, from lightest to darkest

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Who it suits

Cool or neutral undertone skin. Flatters Soft Summer, Cool Summer and Dark Winter (for the softness of the tone).

How to achieve Mushroom Brown in salon

Level, reflect and technique a colorist can apply directly

Level 7 /1 Light mushroom Global + ash babylights
Level 6 /12 Natural mushroom Global
Level 5 /1 Deep mushroom Global with dark root
Level 6 /81 Dimensional mushroom Lowlights 5/1 + highlights 7/1

What to avoid with Mushroom Brown

Orange underlying pigment without neutralizing The warm underlying pigment ruins the cool-grayish effect — neutralize first with ash /1
Very warm skin undertone The cool contrast of mushroom can make warm skin look yellowish

Professional tips

  • Add 10-15% ash corrector /1 to the formula to ensure coolness without going leaden
  • To maintain the undertone, recommend purple pigment shampoo every 2-3 washes
  • Combine level 5 lowlights with level 7 highlights, both ash, for natural depth
We answer your questions

Questions about Mushroom Brown

Color & formulation

A cool brown with a grayish-ash undertone reminiscent of mushroom color. Neither warm nor entirely cool, it lives in a very sophisticated neutral-cool territory. Viral in 2025-2026 for its minimalist aesthetic.

Cool or neutral undertone skin. Flatters Soft Summer, Cool Summer and Dark Winter (for the softness of the tone).

The most common formulas are: Light mushroom (Level 7/1, technique: Global + ash babylights). Natural mushroom (Level 6/12, technique: Global). Deep mushroom (Level 5/1, technique: Global with dark root). Dimensional mushroom (Level 6/81, technique: Lowlights 5/1 + highlights 7/1). Results vary depending on natural base and hair history.

It depends on hair porosity, formulation type (permanent, semi-permanent) and wash frequency. Red and copper reflects typically require maintenance every 4-6 weeks; browns and blondes every 6-8 weeks.

Knowing the shade is the first step.
Blendsor generates the exact formula.

Brand, ratio, developer and timing. Adapted to porosity, history and natural base.

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