How to Choose (Fast)
Copper
- Best for: Level 6–8 blondes/brondes craving warmth; faded strawberry/copper looking dull.
- Undertone: Orange-copper (vivid warmth).
- Frequency: Every 1–2 weeks to keep radiance.
- Where to shop: See C29 Copper under Color-Maintenance masks.
Black
- Best for: Level 3–5 brunettes wanting deeper, inky shine; anyone covering faded ends before an event.
- Undertone: Neutral-cool black for glossy depth.
- Frequency: Every 2–3 weeks; use sparingly on porous ends.
- Where to shop:Nero Black Apparel Dark Mask listed in Color-Treated hair & Mask collections.
Burgundy
- Best for: Level 5–7 brunettes/reds seeking cool-red depth with sheen.
- Undertone: Red-violet (wine-toned).
- Frequency: Every 2–3 weeks; cool-rinse to minimize fade.
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Good options:
- Carmine Red Apparel Rouge Mask (rich red base): https://kostumeusa.store/product/carmine-red-apparel-rouge-mask/
- Pair with Marsala Purple Mask for cooler burgundy vibes (spot-blend on ends, strand-test first): https://kostumeusa.store/product/marsala-apparel-purple-hair-mask/
- Prefer permanent burgundy? Kostume Kolor 4.65 Burgundy: https://kostumeusa.store/product/kostume-kolor-4-65-burgundy-permanent-hair-dye/
Maintenance Basics (All Shades)
- Wash 2–3×/week, lukewarm; cool-rinse.
- Shield with leave-in before sun/heat; finish with serum for gloss.