Please choose the correct ending to complete the given sentence: Health: [header] How to get rid of brown spots using home remedies [title] Apply lemon juice directly to spots. [step] Lemon juice contains an acid that may help break down melanin pigment and thus reduce the appearance of spots within a month or two. Vitamin c in lemons may directly bleach the skin as well.

Ending1: [substeps] Mix 12 ounces (200 g) lemon juice with 99 percent water for a full 15 minutes. Then, soak a cotton ball in the mixture and apply the mixture to a stained area of your skin. Ending2: [substeps] Lemon juice is a very active chemical and can begin to lighten up skin tone. To apply the lemon juice directly to spot, pour the lemon juice directly onto the spot. Ending3: Lemon juice can also clear away makeup, but it's less effective compared to other approaches. [substeps] Lemon juice is the only known product available in both grocery and makeup salons for its antioxidant and protecting properties. Ending4: Cut a lemon into slices and place the slices directly on the brown spots. Leave it on for about 30 minutes and then rinse off with running water.

Answer format: ending1/ending2/ending3/ending4