tonewhile helping to increase collagen synthesis and improve clarity, texture and overall appearance. Can be used for face and neck. Great gift for ladies and men. Can we take more vitamin c supplements by eating oranges? oral vc is a natural macromolecule that it is difficult to apply to the bottom layer of the skin, so we must obtain small molecules vc from theexternal environment to resist oxdiation and protect the skin. Our vitamin c serum with small molecules vitamin c can moisturize and hydrateyour skin to keep the horny layer moist and soft. Main benefit: ✔whiten skin✔brighten skin✔minimizer pores✔fade lines & wrinkles✔fade sun spots✔increase collagen synthesis✔restore skin elasticityeasy to follow directions: 1. Clean your face firstly. 2. Take 3-5 drops in the palm of your hand and apply it to your face with your fingertips. 3. Massage the vitamin c serum into your neck to ensure absorption. Wemend to apply the serum twice a day for day and night. Precautions: â–1. In case of sensitive skin, please test the serum on the inside of the arm first. Proceed to use it as normal if there is nofort. â–2. Iffort arises, please immediately stop using the serum and seek the assistance of a dermatologist. If the serum splashes into your eyes, flush them with fresh water immediately. Storage: keep this vitamin c serum in a cool and dry place out of direct sunlig