Mature Caucasian man with a neatly groomed short beard modeling a classic executive side part haircut for thick straight hair, wearing a dark suit.
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Side Part

Classic Executive Side Part Hairstyle for Men with Thick Straight Hair

Top Top Medium (5-10 cm)
Sides Sides Short (6-20 mm)
Hair Type Hair Type Straight (Type 1)
Face Shape Face Shape Diamond
Maintenance Maintenance Medium
Thickness Thickness Thick / Dense

About This Style

This distinguished classic executive side part is the absolute epitome of professional grooming, perfectly tailored for the modern businessman who values a timeless aesthetic. Looking closely at the provided image, you can vividly see how the thick, dark brown hair is masterfully controlled to create a sleek, polished silhouette without ever looking stiff, crunchy, or overly gelled. The highly distinct, clean part line anchors the entire style, allowing the medium-length top to sweep elegantly up and over the crown with a beautifully natural, healthy sheen. The sides and back are kept meticulously and neatly tapered with scissors or a longer clipper guard, offering a crisp, conservative edge that transitions seamlessly into a well-groomed short beard. This particular variation is exceptionally flattering for gentlemen over the age of 45, as it projects an undeniable aura of confidence, maturity, and meticulous attention to personal detail. If you happen to have a diamond face shape and dense, straight hair, this sophisticated style expertly balances your angular cheekbones while providing a boardroom-ready aesthetic that commands immediate respect in any professional or formal setting.

Key Features

  • Crisp, manually combed side part that creates a strong, sophisticated asymmetrical visual anchor for the entire haircut.
  • Medium-length top section ranging from 5 to 10 centimeters, swept smoothly across the crown with a slight, elegant upward lift at the front fringe.
  • Scissor-tapered sides and back, kept between 6 and 20 millimeters, that perfectly follow the head's natural curvature for a highly tailored, custom fit.
  • Exceptionally soft, natural-looking taper at the nape of the neck, completely avoiding any harsh, blocked lines that can look unnatural as they grow out.
  • Controlled, moderate-shine finish that brilliantly highlights the hair's dense, thick texture without ever appearing greasy or weighed down by heavy products.
  • Seamless, masterful integration of the sideburns into a sharply groomed, short facial hair profile, creating a cohesive look from the scalp down to the jawline.

Getting the Cut

  1. Request a classic, conservative executive side part with scissor-cut or long-clippered sides, explicitly asking to leave about 15 to 20 millimeters of length for a softer, more mature finish.
  2. Ask the barber to leave exactly 5 to 10 centimeters on the top section, specifically maintaining enough length in the front fringe to allow for a slight backward and diagonal sweep when styling.
  3. Specify a natural, seamlessly tapered neckline instead of a squared or blocked-off nape, ensuring a much smoother and more forgiving grow-out phase between your regular appointments.
  4. Instruct your barber to carefully find and utilize your hair's natural parting line, strictly avoiding the use of a trimmer to create a hard part, so the style remains highly classic and versatile.
  5. Ask for strategic weight removal or the use of texturizing shears only if your naturally thick hair aggressively resists laying flat; otherwise, request that they keep the density fully intact for a richer, fuller look.
  6. Request a flawless, seamless blend from the parietal ridge down into the shorter sides, making sure to avoid any stark disconnections, harsh undercut lines, or sudden jumps in length.
  7. Have the barber meticulously taper the sideburns so they blend neatly into your short beard, keeping the facial hair at a uniform length and sharply edged along the upper cheeklines and lower neckline.

Daily Routine

  1. Start your morning styling routine by thoroughly towel-drying your freshly washed hair until it is only slightly damp, ensuring it is not dripping wet before you apply any products.
  2. Apply a generous dime-sized amount of a high-quality pre-styling heat protectant or a light grooming tonic to provide foundational control and protect your thick strands from the blow dryer's heat.
  3. Using a premium fine-tooth carbon comb, establish your side part exactly where your barber set it, combing the shorter side straight down toward the ear and sweeping the longer top section over to the opposite side.
  4. Take a professional blow dryer set on medium heat and medium airflow, using a vented styling brush or your comb to direct the front fringe slightly upward and backward, building a very gentle, natural volume boost.
  5. Once the hair is one hundred percent dry and the foundational shape is locked into place, scoop out a moderate amount of a medium-hold, medium-shine styling cream or a water-based pomade.
  6. Emulsify the styling product thoroughly between your palms until it feels warm and completely transparent, then glaze it lightly over the outer surface of your hair, working it gently down into the mid-shafts and roots for lasting hold.
  7. Use your fine-tooth comb one final time to expertly smooth the top section, perfectly define the part line, and ensure all stray flyaways are impeccably slicked down for a flawless, boardroom-ready finish.

Products & Tools

  • Premium medium-hold styling cream or a high-quality water-based pomade designed to provide reliable all-day control without leaving the hair feeling stiff, crunchy, or unnatural.
  • Lightweight grooming spray or liquid hair tonic to be used as a pre-styler, offering excellent foundational control and essential heat protection during the blow-drying process.
  • Professional-grade fine-tooth carbon comb, which is absolutely essential for establishing highly precise part lines and achieving a smooth, uniform, and slicked finish.
  • Vented styling brush to effectively assist with optimal airflow distribution and slight volume building at the front fringe during the crucial blow-drying phase.
  • High-quality, powerful blow dryer equipped with a concentrator nozzle attachment, allowing you to direct the airflow exactly where it is needed to lock the style into place.
  • Premium sulfate-free daily shampoo paired with a deeply hydrating conditioner to maintain the long-term health, moisture balance, and manageability of your thick, dense hair.

Maintenance

  • Schedule your barber visits strictly every 3 to 4 weeks to diligently maintain the crisp edges around the ears and neck, and to prevent the thick sides from looking puffy or overgrown.
  • Wash your hair only 2 to 3 times a week with a gentle, sulfate-free cleanser, relying on a daily moisturizing conditioner rinse to keep the thick hair pliable, soft, and easy to manage.
  • Strictly avoid using heavy, wax-based pomades that are notoriously difficult to wash out; these can easily weigh down your straight, dense hair and cause unwanted product buildup over time.
  • Sleep on a high-quality silk or satin pillowcase to significantly reduce overnight friction, which helps in preventing stubborn morning cowlicks and preserves the overall cuticle health of your straight hair.
  • Keep your short beard meticulously trimmed every two to three days with a dedicated beard trimmer and guard, ensuring your facial hair perfectly matches the neat, highly professional aesthetic of your fresh haircut.

Best For

Men with diamond, oval, and square face shapes, as the low-volume tapered sides and neatly structured top perfectly balance prominent cheekbones and strong, angular jawlines. Individuals blessed with thick, dense, and naturally straight hair (Type 1) that possesses the inherent structural integrity to hold a combed, tailored shape exceptionally well throughout the day. Mature gentlemen, specifically those in the age range of 45 and older, who are actively seeking a highly refined, age-appropriate, and distinguished look that embraces their natural hair color and texture. Dedicated business professionals operating in strict corporate, office, or formal environments that demand a highly conservative, polished, and meticulously groomed daily appearance.

Pro Tips

  • Never attempt to force a side part against your hair's natural growth pattern or cowlick; always let your experienced barber find the natural separation line for significantly easier, frustration-free daily styling.
  • If your thick hair tends to puff out aggressively on the sides between your scheduled haircuts, specifically ask your barber to use thinning shears to remove bulk directly at the parietal ridge without sacrificing the overall length.
  • During the humid summer months, consider switching your routine from a soft styling cream to a slightly firmer gel-pomade hybrid to completely prevent your straight hair from losing its sleek, tightly combed structure in the heat.
  • When applying your finishing product, always start from the back of the crown and work your way forward to the fringe; this simple technique prevents the front of your hair from looking overly heavy or greasy.
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