Betula Platyphylla Japonica Juice자작나무수액

What it is

The sap of the Japanese white birch (Betula platyphylla japonica). Korean brands use it in hydrating lines. Ingredients above 1% are listed from most to least, so the higher it sits in the list, the more there is.

On a Korean label

Written 자작나무수액 (old name 자작나무즙). Fronts of packs say 자작나무 (birch).

Korean rules

The Korean ingredient dictionary lists no limit, label caution or functional-ingredient status for it.

Questions