The science of skin pH balance: Why is 5.5 weakly acidic absolute?
This is the over-view audio of this article. Make sure to play it and read it(AI audio) The Invisible Foundation of Beauty: A New Perspective for the Modern Woman The global fascination with skincare, particularly the meticulous and scientifically-driven rituals originating from South Korea, has shifted the conversation from mere surface aesthetics to the fundamental biological health of the skin barrier. For women in the 20-40 age demographic, the skin undergoes a period of significant transition. This is a time when the rapid cellular turnover of youth begins to decelerate, while the cumulative effects of environmental exposure, career-related stress, and hormonal shifts start to manifest as visible concerns like adult acne, dehydration, or early signs of photoaging. 1 Amidst the deluge of marketing claims and complex ingredient lists, one scientific metric stands as the absolute pillar of skin health: the pH level. Specifically, the "weakly acidic" threshold of pH 5.5 h...