have to state first that I am not a dermatologist. The following are just some common suggestions and cannot replace professional advice. If you are concerned about your skin condition, it is best to consult a professional dermatologist or beauty expert first. Many people want to improve their skin color. In fact, "whitening" is more of a process of improving skin quality, even skin color and reducing spots, rather than immediately changing your natural skin color. Here are some common methods and precautions: 1. Sun protection • Ultraviolet rays are the main cause of darkening skin and spots. It is critical to use broad-spectrum sunscreen (SPF 30 or above) every day, especially when outdoors, and reapply every 2 to 3 hours. • In addition, wearing hats, sunglasses and protective clothing can also reduce the damage of ultraviolet rays to the skin. 2. Gentle care • Choose a gentle cleansing product suitable for your skin type and avoid frequent use of irritating exfoliating products. Moderate exfoliation (1 to 2 times a week) can promote skin metabolism, but excessive exfoliation may damage the skin barrier. • It is also important to use gentle and moisturizing skin care products to keep the skin barrier healthy. 3. Whitening products and ingredients • There are many products on the market that contain ingredients such as vitamin C, niacinamide, arbutin, kojic acid, etc. These ingredients are believed to have a certain effect on improving even skin tone. However, different skin reactions are different, so it is recommended to test on a small area before use. • Some products claim to have a "fast whitening" effect, but long-term or excessive use is often not recommended, and it is necessary to pay attention to whether they contain ingredients that may irritate the skin or cause allergies. 4. Professional beauty treatments • If there are more obvious spots or uneven skin tone, dermatologists may recommend professional beauty treatments such as laser treatment, chemical peels or microneedling. These methods need to be performed in professional institutions, and their effectiveness and safety are more guaranteed, but the recovery period and cost should also be noted. • Any beauty treatment has certain risks, so be sure to communicate fully with your doctor in advance to understand the possible side effects. 5. Healthy lifestyle habits • A balanced diet, adequate sleep and moderate exercise contribute to overall skin health. Foods rich in antioxidants (such as vitamin E, vitamin C) can help slow down skin aging. • Maintaining a good mood and relieving stress also have a positive effect on skin condition. 6. Beware of bad information and product traps • Beware of products or folk remedies that claim to whiten your skin "quickly". Such products may contain hormones or heavy metals, which may cause damage to your skin and body if used for a long time. • Choose regular channels to buy products and try to follow the advice of professionals. In short, improving your skin color takes time and patience, and it is not recommended to pursue the so-called "quick whitening". Adhering to scientific skin care methods, daily sun protection and maintaining a balanced lifestyle are safer and more effective ways. In addition, if your friend's remarks bother you, you can also consider adjusting your mindset - everyone's skin color and appearance have their own unique beauty. The important thing is to choose a method that suits you and have a long-term and scientific plan for your skin condition. Finally, I emphasize again that if you consider trying any whitening method, especially medications and beauty treatments, it is best to consult a professional dermatologist first to ensure that the method used is both effective and safe.