PureStar 1.0 is a Prunella vulgaris extract (PVE) rich in saponins, flavonoids, organic acids and inorganic salts, with total saponins and flavonoids up to 3000ppm.

Prunella subtilis saponins A in PureStar 1.0 targets to inhibit 11β-hydroxysteroid dehydrogenase (11βHSD), which catalyzes the synthesis of cortisol from cortisone, relieving skin problems caused by stress.

PureStar 1.0 is rich in Prunella subtilis saponins A and B, which target to inhibit TLR2 and NF-kB, thereby inhibit the production of inflammatory factors and promote healthier skin.