Sciencespeaking topic
A moisturizer doesn't add moisture to the skin, it stops moisture from escaping: humectants pull water from the air but in a dry environment can do the opposite and dry the skin out. Is glycerin our friend or our enemy?
— humectant, occlusive, emollient mechanisms
practice with this topic
Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.
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