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Hydroquinone is a very effective bleaching cream which can significantly reduce the appearance of age spots. It is available in concentrations up to 2% over-the-counter, but higher concentrations will require a prescription from your doctor. Be aware that hydroquinone has been banned in many European and Asian countries, due to its potential carcinogenic properties. However, it is still widely available in the US. Retin-A is an excellent anti-aging skin care product which is used to combat fine lines and wrinkles, improve the skin's texture and elasticity and fade discoloration and sun damage, including age spots. Retin-A is a vitamin A derivative which is available in cream or gel form, in a variety of different strengths. It is only available by prescription, so you will need to see your doctor before you start using it. It helps to eliminate age spots by exfoliating the skin, removing the outer hyperpigmented layer and revealing the fresh, new skin underneath. The combination of these 2 ingredients has been shown to help lighten age spots. Talk to your dermatologist to see what they recommend, or check labels on products to find 1 that contains both. You may be able to find a skin cream or lotion that contains both of these ingredients. Sunscreen won't actually help to reduce the appearance of your existing age spots, but it will prevent new ones from forming (as they are caused primarily by sun damage). In addition, the sunscreen will prevent your existing sunspots from becoming any darker or more noticeable. You should wear a sunscreen with a zinc oxide base and an SPF of at least 15 every day, even if it's not hot or sunny.
Use hydroquinone cream. Try Retin-A. Look for products that contain salicylic and ellagic acid. Apply sunscreen before heading outdoors.