Redken Extreme Length Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

K18 is the best-performing redken extreme length brand in July 2026, moving 70,000 units across 2 ASINs for 33.3% of Top 10 volume. Marc Anthony follows with 40,000 units (19.0%), ahead of Pantene on 30,000 units (14.3%).

With 9 brands splitting the Top 10 and 66.7% 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 $8.67 to $26.50, 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, 3 ASINs forced its way in: B0F67KS3K1 booked 20K units at $24.00, with ▲ 100.0% MoM change.

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already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date.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.