Is it possible to shave while the razor is charging
Yes, you can use it to shave while it's charging, because this razor functions corded and cordless usage.
Where can I buy the razor replacement head
We recommend you to replace the shaver head every 6 month for best shaving result, and you can search the original replacement heads for RMS8112 electric shaver from our store.
How to clean this product
The shaver has passed iPX7 waterproof test, it is completely acceptable rinse with clean water or under the tap, but do not soak in water for a long time.