Chaga

Chaga, the dark mushroom that grows on birch trees in cold northern forests, as an extract.

What it does: Used in serums, creams and sleeping masks as a conditioning extract, marketed for nourished, revitalized-looking skin.
How often: Morning and evening in the pressed serum, peptide serum and everyday cream. Use the Laneige Cica Sleeping Mask on one or two evenings a week, and start the VT gua sha retinoid cream on two or three evenings a week.