Focusing on CMC damage inside the hair caused by sunlight. Potassium hyaluronate has been confirmed to have an effect in suppressing “rebound” of the hair.

Results have been published from hair care research conducted by Rohto Pharmaceutical Co., Ltd., focusing on the internal structure of hair. This study highlights the phenomenon of “reversion of waviness” and presents findings from analyses of hair internal structure using NanoTerasu.

Rohto Pharmaceutical Co., Ltd. R&D Release (link to Rohto Pharmaceutical website):
https://www.rohto.co.jp/research/researchnews/technologyrelease/2026/0608_01