Some amino acids for skin moisture as belowed:
L-Arginine
L-Leucine
Glycine
L-Threonine
L-Valine
L-Glutamic Acid
L-Serine
etc
Some amino acids for skin moisture as belowed:
L-Arginine
L-Leucine
Glycine
L-Threonine
L-Valine
L-Glutamic Acid
L-Serine
etc