Blog Posts
10 minutes
15 April 2026
Medically reviewed by Dr Tavakoli.
Saline vs Silicone Implants: What’s the Difference?
Published By
Dr Kourosh Tavakoli
An Australian-trained plastic surgeon with over 20 years of experience, specialising in breast and body surgery. he is an internationally recognised lecturer in his field.
View Popular Breast Treatments | Click To Close Our Popular Treatments Tab
Popular Breast Treatments
- Breast Augmentation
- Asian Breast Augmentation
Navigate The Page With Ease | Click To Close Our Table Of Contents Tab
Table Of Contents
Have A Question?
Then why not book a consultation with one of our friendly female staff?
Navigate The Page With Ease | Click To Close Our Table Of Contents Tab
Table Of Contents
Understanding the differences between saline and silicone implants is crucial for anyone considering breast augmentation. Each type of implant has distinct characteristics that can affect the surgical outcome, recovery process, and long-term maintenance. This guide provides a detailed comparison to help you make an informed decision.
An Overview of Saline & Silicone
Breast implants are medical devices used to alter breast size and shape. They come in two primary types: saline and silicone. Each has unique properties that may influence the choice based on individual preferences and medical considerations.
Saline Implants
Saline implants are composed of a silicone outer shell filled with sterile saltwater (saline). These implants are inserted into the body empty and then filled to the desired volume. This allows for a smaller incision and offers the flexibility to adjust the implant size after placement.
In the event of a rupture, the saline is absorbed by the body. However, some individuals may notice that saline implants feel less natural compared to silicone alternatives.
Silicone Implants
Silicone implants are filled with a cohesive silicone gel that mimics the feel of natural breast tissue. These implants are pre-filled before insertion, which requires a slightly larger incision.
Silicone implants have a softer, more natural feel. If a silicone implant ruptures, the gel may stay within the implant shell or leak into the breast implant pocket, requiring monitoring and possibly additional interventions.
Comparing Saline and Silicone Implants
Several factors differentiate saline and silicone implants, including their composition, feel, surgical implications, risks, and longevity. This section outlines these differences to provide a clearer understanding.
Composition and Feel
The primary distinction between saline and silicone implants is their composition. Saline implants are filled with saltwater, giving them a firmer texture. Silicone implants, filled with silicone gel, are designed to feel more like natural breast tissue. This difference is significant for those considering breast augmentation.
What is the difference between saline and silicone implants? Saline implants can sometimes create visible rippling, while silicone implants tend to offer a smoother and more natural appearance.
Surgical Considerations
The surgical procedures for saline and silicone implants differ mainly in terms of incision size and placement. Saline implants, being inserted empty, allow for a smaller incision. In contrast, silicone implants are pre-filled and thus require a slightly larger incision for insertion. Both types of implants can be positioned either above or below the chest muscle, depending on the patient’s anatomy and the desired outcome.
Another consideration is the adjustability of saline implants afterwards, which allows for size modifications through the injection port. Silicone implants do not offer this feature and require a consistent size from the outset.
Risks and Complications
Which is safer, silicone or saline implants? Both saline and silicone implants carry specific risks. Saline implants are considered safer in terms of rupture because the body can naturally absorb the saline solution. A rupture in a saline implant is immediately noticeable due to the loss of volume in the breast.
Silicone implants, while offering a more natural feel, pose a risk of silent rupture, where the implant leaks without immediate noticeable symptoms. Regular imaging tests, such as MRI or ultrasound, are recommended to monitor the integrity of silicone implants. Both types of implants also carry general surgical risks, including infection, capsular contracture, and the potential need for additional surgeries.
Cost Comparison
Silicone implants generally cost more than saline implants due to the material and manufacturing processes involved. Additionally, the cost of maintaining silicone implants, including recommended regular imaging to monitor for silent ruptures, can add to the overall expense over time.
Longevity of Implants
Both saline and silicone implants are designed to be long-lasting, but they are not considered lifetime devices. Over time, implants may require replacement due to rupture, cosmetic changes, or complications. Medical imaging can be completed to assess the integrity of the implant.
Which is better, saline or silicone implants? Regarding longevity, both types of implants have similar expected lifespans, though individual experiences may vary. The decision often comes down to personal preference and the specific recommendations of a healthcare provider.
Choosing the Right Implant for You
Selecting the appropriate implant type involves considering various factors, including your body type, aesthetic goals, and health history. It is essential to weigh the benefits and potential drawbacks of each type of implant.
Considerations for Choosing
When choosing between saline and silicone implants, factors such as the desired feel and appearance, incision size, and potential risks should be considered. Your surgeon will also assess your breast tissue, skin elasticity, and overall body frame to recommend the most suitable option.
Concerns about complications, such as the risk of silent rupture with silicone implants, may lead some individuals to prefer saline implants. Conversely, those prioritising a natural look and feel might opt for silicone implants.
Consultation with a Professional
A thorough consultation with a qualified plastic surgeon is crucial for making an informed decision. The surgeon can provide detailed information about the differences between saline and silicone implants, assess your suitability for each type, and discuss realistic expectations and recovery.
During the consultation, it is important to ask questions and address any concerns. The surgeon will also discuss the surgical procedure, the expected recovery process, and any necessary follow-up care.
Learn More From a Leading Plastic Surgeon
Dr Tavakoli is a Sydney based plastic surgeon who offers breast augmentation surgery. With a focus on patient safety, Dr Tavakoli provides comprehensive information to help you understand the implications of surgery and make a decision based on your circumstances.
Contact Dr Tavakoli for Further Information
For those considering breast augmentation, it is essential to gather accurate information and consult with a qualified professional. Contact Dr Tavakoli’s clinic to schedule a consultation and explore your options.
Which Is Approved in Australia? (TGA Status)
Both saline and silicone breast implants hold approval from Australia’s Therapeutic Goods Administration for cosmetic breast augmentation procedures. The TGA serves as the government authority responsible for evaluating and monitoring therapeutic goods, including medical devices like breast implants.
The regulatory pathway for breast implants in Australia follows rigorous safety and efficacy standards. Manufacturers must demonstrate that their products meet strict quality requirements before gaining market authorisation. This process protects Australian women undergoing breast augmentation.
Current TGA Approval Framework
Saline breast implants received TGA approval decades ago and maintain their regulatory status for women aged 18 years and older. The long history of saline implant use provides extensive safety data spanning multiple decades.
Silicone gel-filled breast implants are also approved for augmentation in Australia. Age requirements vary slightly by manufacturer, with most approvals covering women 18 and older. Some specific silicone implant models carry approval for ages 22 and above.
The TGA requires ongoing post-market surveillance for both implant types. Manufacturers must report adverse events and conduct long-term safety studies. This continuous monitoring ensures that any emerging safety concerns receive prompt attention and appropriate regulatory response.
Long-Term Safety Data
Extensive research spanning decades informs our understanding of breast implant safety. Both saline and silicone implants have undergone rigorous long-term studies tracking patient outcomes over many years.
FDA Long-Term Safety Studies
The United States FDA requires manufacturers to conduct post-approval studies tracking implant performance. These studies follow thousands of women for ten years or more after surgery. The data collection includes rupture rates, revision surgery frequency, and patient-reported satisfaction levels.
For silicone implants, FDA studies confirm that modern cohesive gel formulations show improved safety profiles compared to earlier generations. Ten-year rupture rates for current silicone implants range from approximately eight to fifteen per cent, depending on the specific product and surgical placement technique.
Saline implants demonstrate different rupture patterns. The ten-year data shows deflation rates ranging from seven to twelve per cent. When saline ruptures occur, the immediate detection advantage allows for prompt intervention.
Australian Context and TGA Monitoring
The TGA maintains active surveillance of breast implants through its adverse event reporting system. Australian data contributes to the global understanding of implant safety and performance in diverse patient populations.
Recent Australian focus has included the investigation of breast implant-associated anaplastic large cell lymphoma, a rare condition. The TGA requires specific warnings and patient information for all breast implants. This heightened awareness ensures Australian women receive comprehensive safety information before undergoing breast augmentation.
Long-term Australian studies mirror international findings. Both implant types show generally favourable safety profiles when used appropriately. The key to optimal outcomes lies in proper patient selection, experienced surgical technique, and appropriate follow-up care over the years following surgery.
For patients concerned about potential links between implants and systemic conditions, detailed information about breast implants and cancer provides evidence-based answers to common safety questions.
Additional Factors to Discuss With Your Surgeon
Your plastic surgeon evaluates multiple factors during consultation. Chest wall dimensions, existing breast tissue quantity, skin elasticity, and overall body proportions all influence implant selection. The breast implant placement guide covers how positioning options interact with implant type choice.
Important Note: This guide provides general information only. Your individual candidacy requires professional assessment by a qualified plastic surgeon who can evaluate your specific anatomical features and discuss how different implant options align with your goals.
Frequently Asked Questions
How do I know if my silicone implant has ruptured?
Silicone implant rupture often occurs silently without obvious symptoms. The FDA recommends MRI screening every five to six years to detect rupture. Some women may notice changes in breast shape, firmness, pain, or swelling, but many ruptured implants produce no symptoms. Regular imaging provides the most reliable detection method. This is why ongoing monitoring represents an important commitment for women choosing silicone implants.
What happens if a saline implant ruptures?
When a saline implant ruptures, the sterile salt water leaks out and your body safely absorbs the fluid. The affected breast will visibly deflate, usually within 24 to 48 hours. This immediate detection allows you to promptly schedule a consultation with your plastic surgeon to discuss removal or replacement. The saline solution poses no health risks to your body.
Which implant type is better for younger women in their 20s?
Both implant types are TGA-approved for women 18 and older (some silicone models require age 22). Younger women should consider long-term factors, including monitoring requirements and potential future revision needs. Those prioritising texture similar to breast tissue often choose silicone. Those valuing immediate rupture detection may prefer saline. The decision should account for decades of implant maintenance ahead. A thorough consultation with an experienced plastic surgeon helps younger women make informed choices aligned with their lifestyle and long-term goals.
Do breast implants need to be replaced after 10 years?
Breast implants do not have a fixed expiration date requiring replacement at exactly 10 years. However, implants are not considered lifetime devices. Many women will eventually need revision surgery during their lifetime. Common reasons include rupture, capsular contracture, size change desires, or aesthetic concerns. Some implants last 15 to 20 years or longer without issues. Regular monitoring and follow-up with your plastic surgeon helps determine when replacement becomes necessary for your specific situation.
Can I switch from saline to silicone implants later?
Yes, women can change implant types during revision surgery. Some women initially choose saline implants for cost reasons or other factors, then later switch to silicone implants for improved feel and appearance. Conversely, some women with silicone implants choose saline during revision to simplify future monitoring. Your plastic surgeon can discuss the process and considerations for changing implant types during revision procedures. Both options remain available throughout your breast augmentation journey.
If you’re considering changing implant types, book your consultation to discuss your options.
Are breast implants TGA-approved in Australia for all ages?
The TGA approves breast implants for cosmetic augmentation in women 18 years and older. Some specific silicone implant models carry approval for ages 22 and above, depending on the manufacturer. Both saline and silicone options maintain regulatory approval for appropriate age groups. Younger patients should have realistic expectations and understand the long-term commitment involved in maintaining breast implants over many decades. Your surgeon evaluates both physical maturity and psychological readiness during the consultation process.
Which breast implant is best in Australia for active lifestyles?
Both implant types accommodate active lifestyles effectively. Athletes and very active women often prioritise dynamic movement and comfort. Silicone implants may provide more movement during physical activity. However, saline implants offer the advantage of immediate rupture detection if physical activity causes implant damage. Your activity type, intensity, and personal priorities guide the decision. Many active Australian women successfully maintain breast implants of both types while participating in sports, fitness training, and outdoor activities. Proper implant placement and sizing matter more than implant type for most athletic pursuits.
Ready to Discuss Your Implant Options?
Dr Tavakoli brings extensive experience in breast augmentation procedures using both saline and silicone implants. During your consultation, we examine your anatomy, review your aesthetic goals, and provide personalised recommendations based on current evidence and TGA-approved options.
Our practice prioritises patient safety and comprehensive care throughout your breast augmentation journey. We take time to answer all your questions and ensure you feel confident in your implant selection.
Schedule A
Consultation
Schedule A Consultation
Are Your Ready to Take The Next Step?

