Please choose the correct ending to complete the given sentence: Health: [header] How to remove age spots [title] Use hydroquinone. [step] Hydroquinone is a very effective bleaching cream which can significantly reduce the appearance of age spots. [substeps] It is available in concentrations up to 2% over-the-counter, but higher concentrations will require a prescription from your doctor.

Ending1: Use hydroquinone for three months after your nose is infected. Leave the cream on the face and neck for the full four months, which will help dry the acne and flush the acne. Ending2: 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. Ending3: A reduced concentration of hydroquinone can mean they are worth paying more. For example, hydroquinone is known to have unclog the eyes and cause menstrual problems in men. Ending4: Hydroquinone can be bleached in a number of ways. It can be diluted in an equal amount of bleach or vinegar, or used for whitening hair [title] Use a hydrogen peroxide cleanser.

Answer format: ending1/ending2/ending3/ending4