For that to happen, there has to be water in the product and the right pH value pH 3-4.
A branch-chained, essential amino acid that can be found in things like almond, cashew or soy protein.
Expand to read more Once inside the skin, it hydrates, but not from the outside - putting pure water on the skin hello long baths! But according to a comparative study done in 1995, citric acid has less skin improving magic properties than glycolic or lactic acid.
The manufacturer of the ingredient did a published study with 27 people and examined the effect of 0.