Cetaphil Advanced Defence Serum - 30ml

While it is specifically formulated for morning defense, it is safe to use at night; however, it does not contain night-time recovery actives.

Yes, the lightweight, non-greasy formula is suitable for most skin types, including oily skin.

With daily use as directed, a 30ml bottle typically lasts approximately 4 to 6 weeks.

Yes, always follow up with a broad-spectrum sunscreen in the morning as this serum is designed to defend the barrier, not replace UV protection.

It is recommended to apply the serum directly to the skin first to allow for better absorption before layering your moisturizer on top.

You may be applying too much product; try reducing the amount to one or two drops and ensure the skin is fully dry before application.

The pump mechanism may have an air lock; try pumping it several times while holding the bottle upright to restore the vacuum seal.