Vitamin C Brightening Serum

Product Efficacy: Improves skin texture, Brightens skin tone, fades post-acne marks ——————————————— Product Name: LANBENA Vitamin C Brightening SerumProduct Number: LB25006 Net Weight: 30mlShelf Life: 3 yearsStorage Method: Store in a cool, dry place. Avoid exposure to direct sunlight. ——————————————— Caution:  For sensitive skin, please test it on your arm's inside before using it. Multi-purpose REFRESHING AND MOIST TEXTURE ABSORBS QUICKLY IN 3 SECONDSSKIN CAREMatched with water lotionSmooth and moisturizingWITH THE MASKMatched with a maskTake a drop to moisten and softenPRODUCINGMatched with freeze-dried powder, easily absorbed by the skin How to Use STEP 1: After cleansing, peel off the film. STEP 2: Take out one essence tablet and put it in the palm of your hand. STEP 3: 3-5 drops of LANBENA Niacinamide serum to dissolve the essence tablets STEP 4: Apply the dissolved serum tablet to the face and massage until absorbed by the skin. ——————————————— Question 1: here is the problem.An