Description: Hydroquinone is used to lighten the skin in areas exposed to color changes due to freckles or melasma (brown spots on the skin) or acne scars or age spots that appear with age. This medication is for adults and children 12 years and older. Size: 30 grams. Usage: Wash your hands before and after use. Apply a thin layer to the skin twice daily, in the morning and at bedtime.