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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.
  • Shop Now: https://kostumeusa.store/product/c29-orange-apparel-copper-hair-mask/

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.
  • Shop Now: https://kostumeusa.store/product/nero-apparel-black-hair-mask/

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.
• 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.
  • Leave-in: https://kostumeusa.store/product/hair-treatment-purifier-micelar-leave-in-spray-12-in-1/ ; Serum: https://kostumeusa.store/product/k-fiber-reparador-essencial-hair-serum/