It is not essential to say specific words when entering ihram

No File Exists
Check below answers in case you are looking for other related questions:
What are the benefits that people see in Hajj?
Is it permissible for two people to do ‘umrah on behalf of one deceased person at the same time?

No File Exists
Related Answers:
Does doing ghusl for ihraam suffice for ghusl from janaabah as well?
A boy died and had not done Hajj; can Hajj be done on his behalf?
Is it better to repeat Hajj for himself or to do Hajj on behalf of his relatives?
What are the benefits that people see in Hajj?
Is it permissible for two people to do ‘umrah on behalf of one deceased person at the same time?

Recommended answers for you:
The virtues of ruqyah and du’aa’s to be recited therein
Colours which are encouraged (mustahabb), disliked (makrooh) and forbidden (haraam) in men’s and women’s clothing
How to protect oneself against the evil eye
Ruling on swallowing one’s own saliva or that of someone else
Being Successful in Life