Yes, if you adjust the amount. Use a thin layer in humid weather, or switch to the lighter emulsion in the day and keep the cream for night.

Yes. Use a lighter layer in the morning under sunscreen and a slightly richer layer at night.

After. Serums are thinner and go on first; the cream seals in moisture on top.

Yes. Normal skin often benefits most in colder months or at night, when it feels drier than usual.