A defined jawline is often hailed as one of the key indicators to a youthful face.

But from the age of 25 elastin and collagen levels drop at an alarming rate of around six per cent year, and our jawline begins to sag, which can add years to our appearance.

While some turn to invasive surgeries such as face lifts, three industry experts have now shared their top tips to maintaining a sharp jawline the natural way – and the key is in starting early.