When purchase a new product for adults, we recommend you to try two types of the bristles [Soft bristle(level5)/Hard bristle(level6)] which provided at the time of purchase and choose one that suits you
1) How to distinguish refill between adult and children?
✽ Large-size(for adults): White color bristles.
✽ Small-size(for children): Pink color bristles.
2) When you purchase the large-sized(for adults) product, The soft bristle(level5) and the hard bristle(level6) refill are provided(total two refill). For children’s products provide two small-sized (level5) refill.
3) Small-size refill is for children(available from 4years old)
4) Large-size refill is for adults , however, it is also usable for children aged from 10years old.
5) The notations of refill.
* The products are approved by 4~13 years’ old children’s common safety standard.
* The products are approved by 4~13 years’ old children’s common safety standard.