glutathione and hyaluronic acid serum Niacinamide Mpoule &Niacinamide 7% Face Serum 7% Niacinamide Hydrating 2% Hyaluronic Acid Aha BHA + Pha Liquid Exfoliant Serum and well Skin Care Serum Glutathione Hyaluronic

Continued improvement through month 12

Further details on the patient samples were provided in Supplementary Table 1

Margaux Anbouba, senior beauty and wellness editor More to Know: Key Ingredients: Vitamin C, glutathione, 4-butylresorcinol, hexapeptide-2, ceramides Best for: Hydration, fading dark spots Size: 1.7 oz./50 ml Best Gel Cleanser: Augustinus Bader The Cream Cleansing Gel Why We Love It: Its really hard to justify a pricey cleanser, but this one makes a pretty strong case for making the investment

Researchers interested in investigating this topic should adhere to the aforementioned recommendations of 2mg/daily, subcutaneously for 15 days

Dosage: 200 to 300 mcg administered subcutaneously twice daily (morning and evening)