Consider a whitening schedule: initial daily sessions until wanted shade
https://privatebin.net/?c43189e8f4b9f0f0#QwHeGyVYbS5NLPakDBBaZfEBDGt9GVGLNeUb62VJeNN
Think about a whitening schedule: preliminary day-to-day sessions until wanted shade, then weekly or month-to-month touch-ups to keep brightness without over-bleaching.