3. Dull complexion

Where: It may not be wrinkles or sagging, but a dull complexion over your face and neck can make you look like you’re feeling a little worse for wear.

Message it sends out: You’re tired and stressed.

Try: Brightening Creams. Estée Lauder Cyber White Brilliant Cells Brightening Essence, $160; Shiseido White Lucent Total Brightening Serum, $185; L’Oréal Paris Age Perfect Extraordinary Oil, $40.