PAO: The Ordinary Granactive Retinoid 2% Emulsion

Who else is using this? I just noticed on the bottle it says 3M in the Period After Opening (see image). Can you check yours if it's the same? Sorry for asking, it's going to be most likely the same but I was just surprised it's too short period. I was like, seriously? I'm using it for 2 months and not even able to consume a quarter! 😭😒 I am using it only every 3days, in the beginning I incorporated it slowly like 1x a wk for 3wks... Now I feel like I have to use every evening. Have you ever finished a bottle of this in 3months period? Do you apply to other parts of the body e.g. neck, hands etc... I'd love to hear a feedback. 🙏 UPDATE: I asked one of my friend. She bought hers from HK and it's 6M. I bought mine from EU.