Where do I start with this serum, it has so many key ingredients in one bottle making skincare easier and less complicated, So the main ingredients are stabilised Vitamin C (Tri-C Complex™ ) hyloronic, 10% glycolic, peptides, plant derived stem cells. Protects skin from reactive oxygenated species (ROS) and combats ageing effects with a high concentration of anti-oxidants. Lightens, tightens, and brightens in one simple application. Paraben Free. Use this serum after cleansing morning and night.