Note: I am not a doctor. The following suggestions are for reference only. Please consult a dermatologist if necessary. It usually takes some time for the skin to recover and improve after sun exposure, and "rapid" changes in skin color often lead to skin irritation or other side effects. In general, the improvement of skin after sun exposure mainly depends on natural metabolism. Proper care can accelerate skin renewal, but it cannot be achieved overnight. The following suggestions may help improve uneven skin color caused by sun exposure: 1. Sun protection and skin care • Whether it is to repair or prevent further tanning, you should apply at least SPF30 and broad-spectrum sunscreen before going out every time to avoid UV rays from aggravating skin damage. • Wearing a hat, sunglasses and long-sleeved clothing can also play an auxiliary protective role. 2. Gentle cleansing and moisturizing • Using gentle cleansing products can help maintain the skin barrier and avoid inflammation caused by dryness. • Keeping the skin fully hydrated can promote skin repair. It is recommended to use products containing moisturizing ingredients such as hyaluronic acid and glycerin. Many moisturizers also add ingredients such as vitamin C and niacinamide to help even out skin tone. 3. Gentle exfoliation • Moderate exfoliation can remove the old stratum corneum and promote the formation of new cells, but be careful to choose a mild product. It is generally recommended to exfoliate once every 1-2 weeks. Too frequent exfoliation may irritate the skin. • Products containing fruit acid (AHA) or lactic acid can help improve skin tone at a certain concentration, but be sure to pay attention to sun protection and subsequent moisturizing when using them. 4. Choice of skin care products • You can consider essences or creams containing antioxidant and whitening ingredients (such as vitamin C, niacinamide, arbutin, licorice extract), which can help reduce spots and dullness. • If you are unsure about the products on the market, it is recommended to do a local sensitivity test first, or consult a professional beauty institution and dermatology department. 5. Healthy diet and lifestyle habits • Ensuring adequate sleep and a balanced diet can help the skin repair itself. • Eating more foods rich in vitamins and antioxidants, such as fruits, vegetables and nuts, can help improve skin conditions. It should be noted that skin recovery is a gradual process, and any "quick-acting" method that is eager for quick results may cause long-term damage to the skin. Most importantly, the health and beauty of your skin is not just determined by color, but is the result of overall care and maintenance. Beauty trends vary from person to person, so it is recommended that you choose a care plan that suits your skin type based on health. If you have questions about skin condition and product use, it is best to ask a professional dermatologist for detailed evaluation and guidance. In addition, skin tone is part of an individual's natural characteristics, and everyone has their own unique beauty. The goal of improving skin condition should be to restore a healthy, even skin tone, rather than catering to society's stereotypes of "identity" or aesthetics. I hope the above suggestions can help you.