Ingredient Guides4 min read
Urea: Humectant at Low Levels, Keratolytic at High Levels
How urea's function, labeling, and claim exposure change as its concentration rises from a mild humectant to a keratolytic active.
January 30, 2026Read
How urea's function, labeling, and claim exposure change as its concentration rises from a mild humectant to a keratolytic active.