tkb cap 2 Preservative Expiry
hi wonderful people herei am using tkb cap 2 in lipstick and it is all going well. my question is i bought this preservative last year in december 2019. i dont know its expiry but i think one year is its expiry so it will expire this month December 2020.
can i use this preservative now? should i need to buy new one or can i still use this month. any one have knowledge about tkb preservative plz guide