How to Get a Jawline – The Complete Looksmaxxing Guide

The jawline is the single most important feature in male facial attractiveness. A sharp, well-defined jaw signals high testosterone, good genetics, and masculine bone structure. Without it, even good eyes and cheekbones won't save your overall score.

Here's exactly how to develop the best jawline your genetics allow.

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Understanding Your Jawline Potential

Your jaw has two components:

1. Bone structure — The underlying jaw bone (mandible). This is genetic and largely fixed in adults.
2. Soft tissue — Face fat, water retention, and jaw muscle size. This is fully controllable.

Most people with a "weak" jawline actually have decent underlying bone structure that's hidden by:

• Face fat from excess body weight
• Water retention from poor diet
• Underdeveloped masseter muscles
• Bad posture pushing the chin back

Fixing all four reveals the jaw you already have.

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Step 1: Reduce Body Fat (Most Important)

The face holds fat disproportionately, and the jaw/neck area is where face fat accumulates most. You cannot spot-reduce face fat — you reduce overall body fat and the face follows.

Target: Get to 12–15% body fat for men. At this level, the jaw angle becomes visible on most people.

How to reduce body fat:

• Caloric deficit of 300–500 calories/day
• High protein diet (1g per pound of bodyweight)
• Cardio 3–4x per week
• Resistance training to preserve muscle while cutting

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Step 2: Eliminate Facial Bloat

Even at a healthy body fat percentage, bloat can hide your jaw. The biggest culprits:

• Sodium — Cut to under 1500mg/day to reduce water retention
• Alcohol — Causes significant facial puffiness within hours
• Dairy — Causes inflammation in many people
• Sleep deprivation — Causes cortisol-driven facial puffiness

Eliminate these for 2 weeks and take a before/after photo. The difference is often dramatic.

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Step 3: Jaw Exercises

Developing the masseter muscle (the main chewing muscle) adds visible jaw width and definition. Think of it like doing bicep curls — but for your jaw.

Mastic gum: Chew mastic gum for 20–30 minutes daily. Mastic is significantly harder than regular gum and provides real resistance training for the jaw.

Jaw exercisers: Silicone jaw resistance devices (like Jawzrsize) provide measurable resistance.

Natural hard foods: Tough meats, raw carrots, nuts. Chew evenly on both sides to prevent asymmetry.

Timeline: 3–6 months of consistent jaw exercise produces noticeable masseter hypertrophy.

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Step 4: Mewing (Long-Term Structural)

Correct tongue posture (mewing) applies upward and forward pressure on the palate and jaw. Over years (especially under 25), this can:

• Widen the jaw and palate
• Improve chin projection
• Enhance overall jaw definition

See our full mewing guide for technique

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Step 5: Posture

Forward head posture pushes your chin and jaw backward, compressing the neck and hiding the jaw angle. This alone can make a good jaw look non-existent.

Fix:

• Chin tucks: Pull your chin straight back (double chin), hold 5 seconds, repeat 10–15x daily
• Wall posture exercise: Stand with back flat against a wall
• Deadlifts and rows strengthen the posterior chain, naturally improving posture

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Check Your Jawline Score

After implementing these changes, run a Mogg face analysis to get an objective jawline score out of 100. Our AI analyzes your front and side photos to rate jaw definition, chin projection, and jaw angle sharpness.

Use it as a baseline now, then recheck every 3 months.

Get your jawline score →