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Injection Technique

Placement Depth

Injection technique and placement depth are crucial factors that can significantly influence the longevity and outcome of lip filler treatments.

**Injection Technique**

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It’s Me and You Clinic – Anti-Wrinkle, Dermal Filler and Skincare Clinic, Kingston, Surrey
Phone: +447754339478

50 Canbury Park Rd
Kingston upon Thames, Surrey, United Kingdom KT2 6LX

A skilled injector will use a variety of techniques to ensure even distribution and optimal placement of the filler. Some common techniques include:

  • Linear threading: This technique involves injecting the filler in straight lines along the lip, creating a subtle enhancement.
  • Fanning: The filler is injected in a fan-like pattern to create volume and lift.
  • Nodule breaking: Smaller injections are placed throughout the lips to break up any lumps or nodules.

Why Does My Lip Filler Always Migrate

Proper injection angle and pressure are also essential. Injecting at too steep an angle can lead to filler migration, while injecting at too shallow a depth may result in uneven results or discomfort.

**Placement Depth**

The depth of injection depends on the desired outcome and the type of filler used.

  • Superficial injections: These target the upper lip layers to create subtle volume and definition. This can also be beneficial for softening fine lines and wrinkles.
  • Mid-dermal injections: Injecting into the middle layer of the skin provides more volumization and contouring. This technique is often used to enhance the Cupid’s bow and shape the lips.
  • Deep dermal injections: Placing filler deeper can dramatically increase volume and projection, but it requires more expertise and should be done cautiously.

Improper placement depth can lead to several issues. Injecting too superficially may result in uneven distribution or visible lumps, while injecting too deeply could compromise blood supply and nerves.

Volume Distribution

Injection technique and volume distribution are crucial factors that determine the longevity and natural appearance of lip filler results. Improper injection techniques can lead to uneven distribution, migration, and a distorted look.

Here’s a breakdown of how these factors play a role:

Injection Technique

  • Depth:** Injecting filler too superficially (close to the skin’s surface) can cause it to spread easily, leading to migration. Deeper injections into the muscle layer generally provide better longevity.

  • Angle and Direction:** Using the correct angle and direction of injection is essential. Injections should be placed in a way that follows the natural contours of the lips. Incorrect angles can cause filler to migrate or bunch up.

  • Spacing and Volume Distribution: Filler should be spread evenly throughout the desired area. Uneven injections can result in lumps, bumps, or asymmetry.

Volume Distribution

  • Lip Anatomy:** Understanding the underlying lip anatomy is crucial. Different areas of the lips have different tissue densities and muscle structures. Placing filler appropriately in each area ensures a balanced and natural look.

  • Individual Lip Shape: Every person’s lips are unique. Factors like lip thickness, shape, and desired fullness should be considered when distributing volume.

  • Desired Outcome:** Whether you want subtle enhancement or a more dramatic plumping effect influences the volume distribution strategy.


If you’re experiencing filler migration, it’s important to consult with a qualified and experienced injector who can assess your individual case and discuss potential solutions.

Facial Anatomy and Movement

Muscular Actions

The migration of lip fillers is a common concern and often arises from a complex interplay of factors related to facial anatomy, muscle action, and filler placement.

Understanding the intricate network of muscles responsible for lip movement is crucial to grasping why fillers might shift. Here’s a breakdown:

1. **Orbicularis Oris:** This circular muscle encircles the entire mouth and plays a central role in puckering, kissing, whistling, and other expressions. Its constant contractions can exert pressure on injected fillers, causing them to migrate downwards or laterally.

2. **Zygomaticus Major & Minor:** These muscles pull the corners of the mouth upwards, contributing to smiling. Their activity can also influence filler placement, particularly in the upper lip.

3. **Levator Labii Superioris:** This muscle elevates the upper lip, often involved in expressions like surprise or contempt. Its action can push fillers upwards, potentially causing them to become more visible or uneven.

4. **Depressor Anguli Oris:** This muscle pulls the corners of the mouth downwards, responsible for frowning. While its primary function isn’t directly related to lip filler migration, it can contribute to changes in filler distribution, especially if injections are placed too superficially.

Beyond muscles, facial anatomy also influences filler movement:

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* **Lip Borders:** The natural contours of the upper and lower lip borders serve as boundaries for fillers.
* **Fat Distribution:** Individual differences in fat distribution around the lips can affect how fillers settle and whether they tend to migrate.

Filler migration is a common occurrence, particularly when dealing with dynamic facial movements like smiling or talking. The key to minimizing this issue lies in careful injector technique, considering individual muscle patterns and anatomical variations, and selecting appropriate filler types.

Lip Structure and Skin Elasticity

Facial anatomy is complex, with numerous muscles, bones, and soft tissues working together to create expressions and movements. The lips, being highly mobile and expressive, are particularly susceptible to filler migration.

The upper lip primarily involves the orbicularis oris muscle, which surrounds the entire mouth, contributing to puckering and smiling. It’s composed of both superficial and deep fibers, influencing upper lip movement in different ways.

The lower lip is controlled by a similar arrangement, with the depressor labii inferioris muscle pulling it down for frowning and the risorius muscle aiding in widening the mouth. The mentalis muscle assists in protrusion and pouting of the lower lip.

Lip structure consists of two main parts: the vermilion (the red part) and the mucosal lining. The vermilion is covered by a thin layer of skin with minimal subcutaneous fat, making it vulnerable to filler migration. It’s connected to underlying muscle and connective tissue by collagen fibers.

Skin elasticity plays a crucial role in filler longevity and movement. As we age, skin naturally loses collagen and elastin, becoming thinner and more prone to sagging. This reduced elasticity allows fillers to shift or disperse more easily over time.

Filler migration can occur due to various factors: improper injection technique, choice of filler, lip muscle movements, and individual skin characteristics. Understanding these anatomical nuances is essential for achieving optimal filler results and minimizing migration.

Lifestyle Factors & Product Choice

Sun Exposure and UV Radiation

Lifestyle factors play a significant role in how lip filler behaves over time. One crucial factor is sun exposure and its impact on UV radiation.

UV radiation from the sun can break down hyaluronic acid, the primary ingredient in most lip fillers. This degradation process causes the filler to lose volume and become less cohesive, leading to migration or spreading.

Sun damage also affects collagen and elastin fibers, which provide structural support to the skin. Weakened collagen and elastin can cause the lips to stretch and distort, further contributing to filler migration.

Frequent sun exposure without adequate protection (sunscreen, hats) accelerates this process, making it more likely for lip filler to migrate prematurely.

Therefore, diligent sun protection is essential for maintaining the integrity of lip filler injections and maximizing their longevity.

Hydration Levels

Lifestyle factors and product choices can significantly influence how lip fillers behave over time, including their tendency to migrate.

Here’s a breakdown of key elements to consider:

  • Dehydration: Insufficient water intake is a major culprit in filler migration. When the body is dehydrated, the hyaluronic acid fillers used in lip augmentation can become more concentrated and less evenly distributed, leading to clumping and movement.
  • Sun Exposure: Prolonged sun exposure breaks down collagen and elastin, weakening the structural support around your lips. This can contribute to filler migration as there is less “scaffolding” to hold it in place.
  • Smoking: Smoking constricts blood vessels and reduces circulation, affecting tissue healing and nutrient delivery. It can also accelerate collagen breakdown, further compromising lip structure.
  • Alcohol Consumption: Excessive alcohol intake dehydrates the body and can increase inflammation, both of which can contribute to filler migration.
  • Product Choice and Technique: The type of filler used and the injection technique employed by the practitioner play a crucial role. Some fillers are more viscous and designed to hold their shape better than others. A skilled injector will consider your individual anatomy and needs to optimize placement for longevity.

Maintaining proper hydration, protecting your lips from sun damage, avoiding smoking, and limiting alcohol intake can all help minimize the risk of lip filler migration. Consulting with a qualified and experienced injector who uses high-quality products and follows safe injection techniques is essential for achieving optimal results.

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