Hello, customer :)

Our product has a separate expiration date. Cream or toner is available for at least 24 months to a maximum of 36 months.

This indicates that the product can be used up to its expiration date without opening it.

The six months you mentioned indicate the recommended expiration date for all products after their release, and this is how any other products from other companies are shown.

As the product is damaged by contact with the air after opening, we recommend that you use it within 6 months as much as 6 months!^^

Thank you.

I understood you were referring to six months after a product is opened. But all other brands allow products to be used upto 12 months after opening. Why is it only your line of products that become damaged so quickly and not other products from other companies?

Dear, customer :)

It is hoped that the use of natural preservatives rather than chemical preservatives will be exhausted as soon as possible.

Thank you for your inquiry.

Hello I have been using the Isntree Aha essence but its been only a couple of weeks and i noticed the liquid has a strong smell from the first time i used it . Has it gone bad and should i still use it?

Hi, concerned about the product's authenticity. This is the batch code: AJ0EFC