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Neck

The skin here is thinner than the skin on your face, "so aging shows up in your late 30s or early 40s," says New York City plastic surgeon Alan Matarasso, MD.

DIY
Everything in your daily complexion arsenal (sunscreen, antioxidants, retinoids, peptides) should also go on your neck.

Dermatologist options for neck
Botox injections soften the platysmal bands for a more youthful appearance. Or try Ulthera, an ultrasound-based treatment to lift and tighten loose skin, or Thermage, a skin-tightening procedure, to firm.