Quick answer
Salon balayage averages ~$1,000-$1,200/year once you add gloss and tips. An honest at-home routine (box dye, gloss/toner, purple shampoo) runs ~$150-$300/year - so going DIY saves most people ~$700-$1,000 a year.
The 30-second answer
At an average $285/session plus a $40 gloss and a 20% tip, three salon visits a year work out to about $1,170. Replacing most of that with box dye (~9 root touch-ups), an at-home gloss every 10 days, and a bottle or two of purple shampoo costs roughly $350. The gap is what you keep. Enter your own prices and frequencies above to see your personal number.
How much does balayage cost in 2026?
Full balayage averages about $285 a session (range $150-$450), with partial balayage and highlights running $70-$250, according to 2026 salon price guides. Coastal cities run roughly 10-25% above national averages. Because balayage is meant to grow out softly, most people rebook every 3-6 months rather than monthly - but those few visits still add gloss, toner, and a 20% tip on top of the headline price.
What box dye + gloss really costs over a year
Box dye itself is cheap - typically $8-$15, or $15-$20 for premium kits. The real annual cost comes from how often you reapply: permanent box dye holds 6-8 weeks at the roots (3-4 weeks for blondes and reds), so figure around nine applications a year. Even at nine kits plus glosses and purple shampoo, the total usually lands between $150 and $300.
Don't forget toner, gloss & purple shampoo
The mistake most “box dye is so cheap” takes make is ignoring tone upkeep. An at-home gloss or toner kit (about $15-$20) used roughly every 10 days keeps color from going brassy, and a purple shampoo protects blondes between colorings. The calculator above bakes all three into the at-home column so the comparison is fair.
Break-even & savings - what the calculator shows
The yearly math is straightforward:
salonAnnual = (salonPrice + salonGloss) × visits × (1 + tip%)
homeAnnual = (boxDye × boxApps) + (homeGloss × glossApps) + purpleShampoo
annualSavings = salonAnnual − homeAnnual
fiveYearSavings = annualSavings × 5With the defaults that is $1,170 at the salon versus $349 at home - about $821 saved a year, or roughly $4,100 over five years. The bigger your salon price or visit count, the wider the gap grows.
When salon is actually worth it
The calculator measures money, not technique. If you are going several shades lighter, correcting a previous color, or want the seamless, hand-painted dimension that defines real balayage, a skilled colorist is hard to beat and box dye can make things worse. DIY shines for maintenance: keeping roots blended and tone fresh between bigger salon resets.
When DIY is NOT worth it
If your salon price is low, you only visit once or twice a year, or you would be lightening dark hair at home, the savings shrink fast and the risk of an expensive correction rises. When the gap is only a couple hundred dollars, the salon's precision often justifies the difference.