At-home root touch-up kits have improved to the point where most gray coverage jobs that once required a salon visit can now be done at home for under $20 a touch-up. Two kits dominate the category for good reason: they cover resistant grays, last 3-6 weeks, and cost a fraction of a salon appointment.
What to look for in a gray coverage kit
Gray hair is often coarser and more resistant to dye than pigmented hair, so not every box color works equally well. Look for kits labeled for resistant or stubborn grays, which use a higher-lift formula and longer processing time. Permanent dye - not semi-permanent - is the right choice if you want coverage that lasts the full 3-6 weeks between touch-ups.
Coverage area matters too. Most root touch-up kits are designed for the first inch of regrowth at the part and hairline, not a full head of color. If your grays are spread throughout, you may need a full-color kit or a salon visit for the initial treatment and touch-ups only for maintenance.
Madison Reed Root Perfection (~$38, 2 applications)
Madison Reed Root Perfection is the most popular at-home gray coverage kit in the US. One box costs around $38 and contains enough product for two full touch-ups, putting your cost per application at about $19. The formula is ammonia-free and includes argan oil, meaning it's gentler than many salon dyes while still providing permanent coverage on grays.
The kit comes in a wide shade range, making it easier to match your existing color. Coverage typically holds 4-6 weeks before visible regrowth appears at the part. At 13 touch-ups per year (4-week cadence), your annual cost with Madison Reed works out to about $247 - compared to roughly $1,480 at a salon with tip, a saving of around $1,235 per year.
dpHUE Root Touch-Up Kit (~$37, 2 applications)
dpHUE's kit sits at about $37 for two applications, or around $18.50 per touch-up. It's positioned as a professional-grade option for home use and has a specific resistant-gray formula designed for coarse, stubborn gray hair that other dyes sometimes fail to fully cover.
The dpHUE kit is particularly popular among people who have had grays since their 20s or early 30s - the population most likely to have very resistant strands. Coverage is permanent and typically lasts the standard 3-6 weeks. Price per application is nearly identical to Madison Reed, so the choice comes down to shade range and your hair's specific texture.
Which kit is right for you
If you want a wide shade range and an ammonia-free formula, Madison Reed Root Perfection is the natural first pick. If your grays are particularly resistant - meaning previous dyes faded quickly or didn't fully cover - dpHUE's resistant-gray formula is worth the nearly identical price of $37.
Both kits put your annual spending under $250 at a 4-week cadence. That compares to $1,200-$1,800 per year for salon touch-ups, depending on your location and the service cost. Use our calculator above to plug in your own salon price and see your exact savings.