Is your hair ready for a colorful makeover without the harm? Buy ammonia-free, healthy hair colors at amazing discounts on ...

ZERO AMMONIA FORMULA: Provides a gentle, no-ammonia hair color that is kinder to your scalp and hair. LONG-LASTING COLOR: Delivers rich, vibrant, and intense color with full gray coverage.

Permanent hair dye works via a combination of ammonia and peroxide ... frequent application than a permanent color. But other than that, there's no real maintenance routine; it simply washes ...