Zoheir Ali Esmail, Shaykh Zoheir Ali Esmail has a Bsc in Accounting and Finance from the LSE in London, and an MA in Islamic Studies from Middlesex University. He studied Arabic at Damascus University and holds a PhD... Answered 1 year ago

Bismillah

Thank you for your question. This is an answer provided in Code of Practice for Muslims in the West by Ayatullah Sistani:

Question: Some experts of genetic engineering claim that they can improve the human race by altering the genes in the following ways: Removing the ugliness of the face; Replacing it with beautiful characteristics; By both of the above. Is it permissible for the scientists to engage in these kinds of activities? Is it permissible for a Muslim to allow the doctors to alter his genes?

Answer: If there are no side effects, then, in principle, there is no problem in it. 

May you always be successful