๐ฏ At a Glance
๐ฌ How It Actually Works
The sodium salt of lactic acid. It is a critical component of your skin's Natural Moisturizing Factor (NMF) and binds water more effectively than glycerin.
๐ Why your skin loves it
Draws massive amounts of water into the skin and maintains pH balance.
๐ก Pro Tip
Used in small amounts, it has zero exfoliating properties despite being related to lactic acid.
โ๏ธ Myth vs. Fact
The Myth
It exfoliates the skin.
The Science
It is strictly a humectant. It lacks the free acid structure required to break cellular bonds.