Epsom Salt Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

Amazon Essentials is the best-performing epsom salt brand in July 2026, moving 80,000 units across 1 ASIN for 42.6% of Top 10 volume. Amazon Basics follows with 49,000 units (26.1%), ahead of Dr Teal's on 40,000 units (21.3%).

With 4 brands splitting the Top 10 and 89.9% 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 $3.35 to $5.65, 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: B07P1ZDD5H booked 10K units at $4.97, with ▲ 25.0% MoM change. On the growth side, B004N79BYC leads positive momentum with ▲ 100.0% MoM growth on 2K units, with B01GET0Q4K 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already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date.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.