In the name of Allah the most Gracious the most Merciful
The answer to your question is as follows:
Using tissue papers in toilet and doing istinja is allowed and it will purify the person too. Although, it is better to use water after use of tissue papers.
And Allah knows best
Darul Uloom Waqf Deoband
This answer was collected from the official website of Darul Uloom Deoband Waqf. The institution is based in India and the answers are provided in accordance to the Hanafi Fiqh.