Detailed answer

The frequency of using a skin brightener depends on the specific product and individual skin type. In general, it is recommended to use a skin brightener once or twice a day, following the instructions provided by the manufacturer. However, if you have sensitive skin or if it is your first time using a skin brightener, it is advisable to start with a lower frequency, such as every other day, to assess how your skin reacts. Always remember to cleanse your face before applying the skin brightener and to follow up with a suitable moisturizer and sunscreen for optimal results and protection.