Decoding Batch Numbers for MAC, Lancome, Dior, Clinique, etc

For Estee Lauder Products (MAC, Clinique, Estee Lauder, Origins, La Mer): The first character represents the production batch run that month. The second character indicates the actual month. The third character indicates the year. 1=Jan, 2= Feb, 3=Mar, 4=Apr, 5=May, 6=Jun, 7=Jul, 8=Aug, 9=Sept, A=Oct., B=Nov, C=Dec So for my MAC lipstick that is marked A87 it means my lipstick was manufactured in the first batch in August of 2007. For L’oreal Products (L’oreal, Lanome, Biotherm, Helen …

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