↓Below data is quoted from Nakano website.

The production of reactive oxygen in the body has an oxidative effect which promotes aging, however, especially in the 40s, oxidant suppressing anti-oxidant production power rapidly decreases, upsetting the balance with a tendency for dominant production of reactive oxygen. Thus, this [oxidative stress] affects the hair cycle by shortening the growth period and increasing hair loss and hair thinning.
In the development of this product, utilizing the results of research into [oxidative stress], and adding an extract containing flavonoid, chamomile extract and peach kernel extract to our current product [FOLIAGE Scalp Essence] has produced a product with even more effective results.