In one sentence, describe what the following article is about:

The acid and enzymes in pineapple juice may naturally lighten your brown spots and possibly freckles. Soak a cotton swab in pineapple juice, then dab the juice directly onto your dark spots. Allow it to dry, then rinse your skin clean. The juice may cause some skin irritation or sensitivity. If this happens, stop using it and consult your dermatologist. Put a dot of evening primrose oil onto your fingertip, then apply it to your brown spots. Use the treatment twice a day to help lighten your spots over time. Use the oil before you apply other skin care products, like serums or lotions. Once the oil dries, you can continue with your typical skin care routine. The lactic acid in dairy products can fade brown spots on your skin, including age spots and freckles. Smooth a homemade mask onto your skin and let it sit for 20 minutes. Then, wash your face with cool water and pat it dry with a clean towel. Here are some ways to mix up a homemade mask:  Mix equal parts yogurt and honey. Combine 1 tablespoon (15 mL) of yogurt, 1 tbsp (5 grams) of oatmeal, and 2-3 drops of honey. Apply your brightening cream or serum every morning and evening after you wash your face. Follow the directions on the label to make sure you’re using it correctly. Check the label to make sure it contains 1 or more of the following lightening ingredients:  Hydroquinone Vitamin C Azelaic acid Tretinoin Kojic acid Look for an over-the-counter skin cream that contains a retinol or alpha hydroxy acid. These ingredients speed up your cell turnover, so they can help fade brown spots, acne scars, and possibly freckles. Apply your cream every morning and evening after washing your face. If your cream causes irritation or redness, stop using it and see your dermatologist. Take aloe vera gel from a cut leaf or buy a tube of aloe vera gel from the store. Use a cotton swab to dab the aloe vera directly onto your dark spot. Let the aloe vera dry, then rinse it off with cool water. Repeat twice a day until your dark spot fades. You can get aloe vera gel directly from the plant by breaking off a leaf, which will contain the gel. If you prefer to buy it at the store, choose a product that is 100% aloe vera gel.

Summary:
Apply pineapple juice to dark spots daily to help lighten them. Dab evening primrose oil onto brown spots to fade them over time. Do biweekly yogurt face masks to fade dark spots or freckles. Use a cream or serum that’s labeled for skin brightening. Fade dark spots or scars with a retinol or alpha hydroxy acid. Apply aloe vera to brown spots to slowly fade them.