【Recommended by Whitening Salon Owners】 PLATINUM GE (Platinum GE) Whitening gel made in Japan. This is a brand new, unopened item. - Quoted from Google - 【The recommended amount is to use it twice a day for one week. By continuing to use it, the effects will gradually appear, and you may feel the results in 2-3 weeks.】 You will need 2-3 bottles to start seeing the effects. ※ Due to the nature of the product, returns are not accepted. Instant purchase is OK.