Consumer Insights

Poor sleep quality is a global concern; 67% of adults feel they are not getting enough sleep, and the average sleep duration is 6.8 hours—below the recommended 8 hours. Furthermore, temperatures in Japan during the summer are rising, with the summer of 2025 (June–August) recording a record high of +2.36°C above the long-term average. “Summer sleep discomfort” has become a familiar challenge for us all.

*1 Ikeda Bussan Co., Ltd.: Cited from Lucasmeyer’s REGINGHIT raw material data

*2 Created based on data from the Japan Meteorological Agency's "Seasonal Average Temperatures in Japan (Japan Average)"

Why "Summer Scalp Care" Is So Popular Right Now

• Scalp care has evolved from a “special treatment” to a daily routine.
• A focus on well-being—with an emphasis on scent and physical sensations—is changing the criteria people use when making choices.
• As Japanese summers become increasingly hot and humid, demand for "seasonally adapted care" is on the rise.

Instead of letting the heat and humidity get the better of you, spend your summer by taking care of your health.
Now is the time to take the necessary steps to do just that.

Recommended for customers like this

• It's hard to sleep, and I dread my nighttime bath
• I want my hair to feel light even in the summer, but I'm worried about it getting dry and frizzy
• Sweat and sebum make your scalp feel sticky, stuffy, or smelly
• I want to take care of my hair color, too