Bold, rich, dimensional hair colour is one of the defining hair colour trends of 2025 — and its influence continues to shape what clients are requesting in salons.
Moving beyond flat, single process colour, this trend blends deep base tones with lighter or complementary hues, creating natural contrast and multi-tonal shine.
Think caramel through brunette, honey through chestnut, or soft golden tones through dark blonde — seamless layers of colour that reflect light and add effortless movement.
Luxurious, natural, and full of life, these rich dimensional brunette shades are a must-try.
US Salon owner and OCS Creative Ambassador, Sarah Stockton, shares her go-to formulas for this gorgeous trend below.
1 / Caramel Kisses
Technique: Full Foils on virgin hair with balayage technique for liquid colour.
Formula: Highlights with 15g 11HN + 30g 40vol cream developer + 5g white Lightner. Developed for 45 minutes under a warm towel.
Gloss: Glossed with a 1.5 Vol rapid developer formula for 10 minutes to enhance the natural warm tones.

2 / Grey-blended Glam
Technique: Grey blending technique with a mix of chunky and fine sliced low-lights.
Formula: 5NN + 5GD + 20 Vol liquid developer for 35 minutes.

3 / Warm Honey Blonde
Technique: Grey blending technique/low-lights.
Highlights: 10g white lightener + 20g 10 vol cream developer.
Low lights: fine slices of 10g 6GD + 10g 6CR +10 vol liquid developer.
Gloss: 10g 11HN + 10g 10GD + 10g Gold + 1.5 volume rapid developer for 10 minutes.