Ever wondered why a $400 luxury cream contains less of the star ingredient than an $18 Korean serum? This episode breaks down the science behind Korean skincare's most powerful ingredients—centella asiatica, propolis, ginseng, and fermented complexes—explaining exactly how they work at the cellular level and why they're making luxury brands nervous. Whether you're trying to decode ingredient lists or figure out if that fermented essence is worth the hype, Julian Thorne delivers the cosmetic chemistry you need to shop smarter.

• Centella asiatica (cica) increases collagen production by 58% at just 0.1% concentration after 12 weeks—comparable to tretinoin but without photosensitivity, thanks to its triterpenoids madecassoside and asiatic acid working through dual pathways of synthesis and protection.

• Quality matters  ...