Best hairline for a diamond face
How to spot it: Widest at cheekbones; narrow forehead and jaw.
Design goal: Add width at the forehead.
Recommended hairlines
Straight / Linear
A flat, horizontal line. Reads strong and youthful; needs a naturally irregular edge to avoid looking artificial.
Broken / Irregular
A micro-irregular edge (single-hair transitions). The most natural-looking transplant hairline.
Rounded
Gently curved corners. Soft and natural; flatters angular faces.
Mature / M-shaped
Slight temple recession. Age-appropriate and natural for most adult men.
How it changes with age
Age 18–25
AestheticA broader, straighter line widens a narrow forehead to balance wide cheekbones.
Age 26–40
AestheticWidth at the frontal line offsets prominent cheekbones.
Age 41–55
ScienceA softly broad, mature line keeps the forehead in proportion.
Age 55+
ScienceA mature, broad line balances the face realistically at this age.
Generally worth avoiding
Widow's Peak (V)
Low
Questions
What is the best hairline for a diamond face?
For a diamond face, straight / linear, broken / irregular, rounded hairlines tend to work well. The goal is: add width at the forehead.
How do I know if I have a diamond face?
Widest at cheekbones; narrow forehead and jaw.
Does age change which hairline suits me?
Yes. A conservative, slightly mature line ages better as hair loss continues, so the ideal design shifts with age even for the same face shape.
Get personalized options
See these recommendations for your exact age and region, side by side.
Open the finder for a diamond face →