성분

The hardcover binding feels sturdy enough to survive years of flipping back and forth, which is good because I keep returning to the chapters on formulation science. It’s dense but written clearly enough that even a casual skincare nerd like me can follow along.

Reading through the science behind different compounds was surprisingly engaging, even for someone who isn't a skincare expert. The hardcover feels substantial enough for a permanent spot on my shelf.

Finished the first chapter and I'm impressed by how deep it goes into the chemistry behind each component—it's genuinely educational, not just a marketing fluff piece. The hardcover binding feels sturdy enough for a coffee table book, though I wish it had a few more visuals to break up the dense tex