Answer: Use time: once in the morning and once in the evening. If there are many outdoor activities or insufficient sun protection work, it can only be used at night, and the use time will be longer accordingly. 2. Usage steps: Cleansing → Apply hydroquinone cream to the dark spots (do not apply it to normal skin) → Use moisturizing cream, mask, sunscreen, etc. Half an hour later. Pay attention to sun protection in the morning: apply sunscreen, open an umbrella and wear a mask. 3. Course of treatment: 2-3 months. Clinical research shows that obvious effect appears in 8- 12 weeks.

Precautions for the use of hydroquinone cream: 1, skin test allergic reaction is the first (remember); 2. Avoid greed and overuse; 3. Pay attention to moisturizing and sun protection; 4. Only applicable to lesions; 5. At the same time, avoid other external drugs.

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