The Gratitude Season 15% off everything with code Black Friday in   Complimentary US shipping

Shop gifts

Thanksgiving · early access · early access 30% off everything with code through Cyber Monday Complimentary US shipping

Shop the sale

Black Friday · ends in   30% off everything with code Ends in   Complimentary US shipping

Shop the sale
FREE Shipping on all US Orders

From Root to Ritual

The cold rinse, the cold plunge, and what cold actually does for the scalp — separating the science from the wellness mythology

The cold rinse, the cold plunge, and what cold actually does for the scalp — separating the science from the wellness mythology

Cold therapy has arrived in mainstream wellness — cold plunges, contrast showers, cold rinse finishes to every wash. The hair claims that follow tend toward the vague: "seals the cuticle," "boosts circulation," "stimulates growth." Some of these are accurate. Some are extrapolated beyond the evidence. Here is what cold actually does at the scalp level, and which part of the cold water ritual is worth keeping.