Brown Hair Dye Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

L'Oreal Paris is the best-performing brown hair dye brand in July 2026, moving 32,000 units across 5 ASINs for 45.7% of Top 10 volume. Just for Men follows with 10,000 units (14.3%), ahead of Clairol on 9,000 units (12.9%).

With 6 brands splitting the Top 10 and 72.9% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $7.96 to $11.77, which frames the price band a competing listing has to justify.

Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B0F336CMMW booked 6K units at $34.95, with ▲ 200.0% MoM change. On the growth side, B000NSTYOC leads positive momentum with ▲ 200.0% MoM growth on 3K units, with B00C0YZBJE close behind at ▲ 100.0% MoM on 2K units.

The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.