Thousand White Hydroquinone Cream, also known as Hydroquinone Cream, is a skin discoloring agent that is used in the treatment of freckles, chloasma, and post-inflammatory hyperpigmentation spots. Hydroquinone cream is effective in removing spots. However, there are more types of spots, and hydroquinone cream is not effective for all pigmented spots. Hydroquinone cream is a western medicine cream, in which the main ingredient is hydroquinone, and its character is a white ointment with an emulsion-type base, which is mainly applicable to the treatment of melasma, freckles, and post-inflammatory hyperpigmentation spots. Adhering to external application, it has a certain effect of fading on the skin. However, there are more types of pigmentation spots, such as sun spots, age spots, sweat spots, and brown and green moles. Such as age spots, also known as seborrheic keratosis, external application of hydroquinone cream is generally ineffective, and can be treated by laser, freezing and surgery if necessary. In summary, not all spots can be used hydroquinone cream, it is recommended that patients go to the dermatology department of the hospital to understand the causes, and ask the doctor to develop a suitable treatment. Drugs need to be used as prescribed by the doctor.