Does skinmedica retinol expire?

Hello Again! I spoke with our SkinMedica representative and they do not put expiration dates on this product However they advise anyone that calls that the

There is no expiration date on the skin Medica retinol complex This item does not have any expirationIt is 100% fresh and new

Does SkinMedica retinol expire ? SkinMedica Retinol Complex in any of the 3 strengths do not have expiration dates Most SkinMedica products do

For example, some forms of antioxidants vitamin C and E are highly unstable, as are ingredients such as glycolic acid,