Rhinoplasty

Wide, flared alar base

A wide or flared alar base occurs when the interalar width exceeds the intercanthal distance, the nostrils are wide, or the alar rims are thick. Causes include thick alar soft tissue, a widely-set alar insertion, or an underprojected nasal tip that makes the alae appear flared. Treatment options include alar base reduction (alarplasty) or simply elevating the nasal tip to make the alar base appear relatively slimmer.

Medically reviewed by BS.Ths.CKII Nguyễn Xuân Vũ — BonBoz Clinic

What Causes Wide Alar Lobules (Flaring Nostrils)?

There are three common causes: thick alar soft tissue (excess skin and subcutaneous tissue, creating rounded alar lobules and rounded nostrils); widely set alar bases (the insertion points of the alar base on the cheek are far apart, creating a flared appearance); and a low nasal tip, which makes the alar lobules appear relatively wide even if their actual dimensions are not large. Because these three causes require distinct surgical approaches, accurately diagnosing the root cause is far more critical than merely deciding "whether or not to perform an alar base reduction."

When Is Alar Base Reduction Necessary?

Alar reduction is indicated when the interalar width exceeds the intercanthal distance—even after accounting for nasal tip projection—or when the nostrils are excessively wide and the alar bases are overly thick. Alar base reduction involves excising a portion of skin and soft tissue at the alar base or nasal sill. The incision is placed precisely along the alar-facial groove; while it fades over time, it remains a permanent scar. Over-resection can lead to nostril asymmetry, alar notching, and is exceptionally difficult to revise—which is why our surgeons always prioritize conservative, precise resection.

When Is Rhinoplasty Alone Sufficient?

If the wide appearance is primarily due to a low and under-projected nasal tip, elevating the tip and elongating the columella will naturally draw the alar tissue inward. This creates a visually slimmer alar contour without the need for tissue excision. Our surgeons typically use photographic simulations and detailed explanations so you can clearly understand the source of your aesthetic improvement.

What Factors Determine the Final Result?

Key factors include alar skin thickness (thicker skin shows more subtle definition), baseline facial asymmetry, existing nostril shape, and whether the procedure is combined with a rhinoplasty. Alar base reduction is frequently performed concurrently with rhinoplasty, allowing the surgeon to achieve optimal overall facial harmony.

The BonBoz Approach to Alar Base Reduction

Our plastic surgeons assess your nasal-to-facial proportions using standardized photography to pinpoint the exact cause of the widening. We then recommend the most appropriate option: rhinoplasty alone, rhinoplasty combined with alar base reduction, or standalone alar base reduction if your nasal bridge and tip are already well-defined. The surgeon who performs your consultation is the surgeon who operates. They will clearly outline the location and length of incisions, the anticipated degree of reduction, and the risks of nostril distortion associated with over-resection.

Severity levels

1

Mild — relatively wide due to a low nasal tip

The alar base width is roughly equal to the intercanthal distance. Usually, only tip projection/elevation is needed, which relatively narrows the alar base.

2

Moderate — alar base is 2–4 mm wider on each side

Enlarged nostrils or laterally inserted alar base. Moderate alar reduction, typically performed alongside rhinoplasty.

3

Severe — thick alar base, large nostrils, significantly wide

Requires reduction of both the skin–soft tissue of the alar base and the nasal sill, combined with tip elongation; realistic expectation for gradual refinement without over-resection.

When should you see a doctor?

  • Noticeable asymmetry of the alar base and uneven nostrils — a structural assessment is essential prior to any intervention.
  • You previously had alar base reduction elsewhere resulting in distorted nostrils and alar notching.
  • You were advised to undergo standalone alar base reduction without prior evaluation of the nasal tip and dorsum.
  • Alar collapse or breathing difficulties upon deep inhalation — possible external nasal valve weakness requiring a physician's evaluation.

How BonBoz treats it

Alar base reduction

Excision of excess skin and soft tissue at the alar base or nasal sill, with incisions placed precisely along the alar-facial groove and conservative tissue removal to prevent nostril distortion.

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Semi-structural rhinoplasty

Dorsum augmentation combined with nasal tip graft covering for flaring alar bases secondary to a low tip; often performed alongside alar base reduction when indicated.

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Structural rhinoplasty

Indicated for a short tip and weak columella with flaring nostrils: columellar strut reconstruction and tip elongation to naturally draw the alar bases inward, combined with alar base reduction if residual width remains.

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Cost guidance

Alar reduction is priced separately and is generally lower than rhinoplasty; when combined with a rhinoplasty procedure, the doctor will provide a comprehensive package quote. Exact pricing will be determined after a consultation, while our cost estimation tool provides a reference range.

The final price follows the doctor’s recommendation after an in-person exam. A confirmed quote has no hidden extras.

Chân dung BS.Ths.CKII Nguyễn Xuân Vũ

BS.Ths.CKII Nguyễn Xuân Vũ

Department of Plastic and Aesthetic Surgery

  • Master of Medicine and Pharmacy — Specialist Level I Surgical Resident, Hue University of Medicine and Pharmacy (2014–2017)
  • Specialist Level II Doctor in Plastic and Aesthetic Surgery
  • Specialist Level I in Plastic and Aesthetic Surgery — Pham Ngoc Thach University of Medicine; Specialist Level II in Healthcare Management — University of Public Health
  • Specialty Certificate in Orthopedics and Traumatology and Certificate in Plastic and Aesthetic Surgery (2017)
  • Medical Practice License No.: 007827/ĐL-CCHN — Issued by Dak Lak Province Department of Health on 04/12/2017
  • Over 15 years of experience, more than 20,000 surgeries
  • Specialist Level II Doctor in Plastic and Aesthetic Surgery at Ho Chi Minh City Hospital of Dermatology (2020–present); previously Lead surgeon for major and minor procedures at Sao Han Hospital (2018–2020)
  • Member of international humanitarian organizations Operation Smile and ReSurge International — performing pro bono reconstructive surgeries for patients with congenital deformities, cleft lip, cleft palate, and ptosis (2022–present)
  • Affiliated with Alcon Pharmaceutical (USA)
  • Member of the Korean College of Cosmetic Surgery (KCCS)
  • Medical Director of BonBoz Clinic
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Frequently asked questions

Does alar base reduction leave visible scars?

A fine scar will be present, concealed along the alar-facial groove or inside the nostril floor. The scar gradually fades over 6–12 months; for thicker skin, it may take longer to fade.

Can rhinoplasty alone make the nostrils look smaller?

Yes, if the flared appearance is relative due to a low nasal tip. Elevating and projecting the tip naturally draws the alar tissues inward. However, if the alar base is intrinsically thick or widely set, tip elevation alone will not be sufficient.

Does alar base reduction cause breathing difficulties?

When properly indicated and conservatively performed, it does not affect your airway. Excessive tissue resection can narrow the nostrils and compromise the external nasal valve—which is why our surgeons adhere strictly to a conservative reduction approach.

How long is the recovery time after alar base reduction?

Mild swelling lasts for 5–7 days, and sutures are removed around day 7. The incision line may remain pink for 1–3 months before gradually fading; the final contour stabilizes after 3–6 months.

Can asymmetrical nostrils after alar reduction be corrected?

Revision is possible, but it is more challenging than the primary procedure due to tissue loss. Therefore, it is best to opt for a conservative reduction initially, ensuring symmetry through precise preoperative measurements.

Should alar base reduction be combined with rhinoplasty?

In most cases, yes, as it allows the surgeon to assess the entire harmony between the bridge, tip, and alar base in a single procedure to achieve optimal proportions. It can also be performed as a standalone procedure if the rest of the nose is already well-defined.

Can thick nasal skin undergo alar base reduction?

Yes; however, thicker skin takes longer to refine, and the surgeon may excise additional subcutaneous tissue. The expected outcome is a more refined contour, rather than an ultra-thin appearance like that of thin skin.

Are there any injectable treatments to slim the alar base?

Currently, there are no injectable treatments that can safely and permanently reduce the size of the nostrils. The only durable solutions are surgical alar reduction or nasal tip elevation to achieve a relatively slimmer appearance.

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