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- The post was made 1 weekQuestionHi! I wonder if you can combine using whitening strips first, and then use a whitening pen every day for a period? Or should you only stick to one of the treatments and not use both so close together?1 product in post Question317 views
- The user's roll: Customer service at Lyko. The comment was made 1 weekHi! 🌞 It's safest to follow the instructions for each product and start with one of the treatments, for example the strips. When the treatment is finished, you can add the pen if your teeth feel good. If your teeth become sensitive, it's a good idea to take a break and consult a dentist or dental hygienist.