Color Mask Mistakes (and How to Avoid Them)
The 7 Common Mistakes (and Fixes) Skipping a strand test Always test 5–10 minutes on a hidden piece to check tone and timing. Wrong undertone (violet vs. blue) Use violet…
How to Keep Cool Tones Between Salon Visits
1) Neutralize on a Schedule Every 1–2 weeks: choose violet for yellow or blue for orange brass. Semi-Permanent Violet Example (012 Ice Blonde): https://kostumeusa.store/product/kostume-kolor-012-ice-blonde-semi-permanent-hair-color/ Color Maintenance masks (violet/blue options): https://kostumeusa.store/color-maintenance-hair-care/…
Blue vs. Violet: Pick the Right Neutralizer (Simple Chart)
Brass IssueUndertone ShowingUse ThisWhy It WorksProduct PicksYellow (banana, pale gold)Warm yellowVioletViolet cancels yellow on the color wheelKostume Kolor 012 Ice Blonde (semi-permanent) → https://kostumeusa.store/product/kostume-kolor-012-ice-blonde-semi-permanent-hair-color/ • Color Maintenance masks (violet options…