At 30, I think my jawline and neck are doing just fine thanks ... This is particularly true if you're someone with sagging skin or jowls, says Dr. Colbert. "Collagen rebuilds itself and continues ...

Oh, how the humble botulinum toxin (aka Botox ... resulting in extra laxity or skin sagging along the jawline or the dreaded horizontal "tech neck" creases, caused by excessively looking down ...