DescriptionSPECIFICATIONS AND DIRECTION FOR USERecommended Usage Rate: 1 - 4%, up to 10% dissolved in your Serum, Cream or Lotion.Appearance: White to beige PowderSolubility: water soluble INCI: N-Acetyl GlucosamineFeatures & detailsIncreases hyaluronic acid production in the skin;Improves skin hydrationReduces the appearance of wrinkles;Reduces trans-epidermal water lossRepairs and treat sun damage;Accelerates wound healing