[Skin Concerns] Skin isn't absorbing anything. Dehydrated or not enough exfoliation?

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As the title says my skin doesn't absorb anything. No cream, no gel, no sunscreen. It all sits on top. I read this could be a sign of dehydrated skin, but on asian beauty they said, it could be because i'm not exfoliating which leads to dead skin build up. Which one is true?
Girls Blog 2015
Submitted by rsug1