Hyaluronic acid is often added to facial oils and serums with the promise of reducing the appearance of wrinkles Layla Bird/Getty
Hyaluronic acid, a popular skincare ingredient, doesn’t hold 1000 times its weight in water, despite frequent marketing claims.
The ingredient is a humectant, a substance that attracts moisture. Applied topically, , enhance elasticity and reduce wrinkle depth.
But chemists have long suspected that the idea it can hold 1000 times its weight in water is too much of a stretch. , seemingly off the back of research from…
