Botox and dermal fillers treat two specific problems: lines caused by muscle movement and lost volume. They cannot remove loose skin, lift sagging tissue or correct jowls and a loose neck. Botulinum toxin relaxes the muscles that crease the skin, so frown lines, forehead lines and crow’s feet soften for about three to four months. Hyaluronic acid fillers replace volume in areas such as the lips, cheeks, chin and under-eyes and last roughly six to eighteen months.
Surgery addresses what injections cannot: skin that has stretched and tissue that has descended. A facelift or eyelid surgery repositions and removes tissue, and fat transfer restores volume with your own fat for longer. Many people benefit from a combination, used at different stages of life.
So the useful question is not which option is better, but which problem you are trying to solve.
What botulinum toxin does
Botulinum toxin, often simply called Botox, is a purified protein that temporarily blocks the signal from nerve to muscle. Injected into the muscles of facial expression, it reduces their pull on the skin. Lines that appear when you frown, raise your brows or smile soften, and fine lines that have started to remain at rest often improve with repeated treatment.
It works well for:
- frown lines between the brows
- horizontal forehead lines
- crow’s feet
- a strong chewing muscle that widens the lower face
- neck bands and downturned corners of the mouth
- excessive sweating
The effect begins in three to five days, reaches its full extent at about two weeks and lasts about three to four months. Deep lines that are etched into the skin and visible at rest usually improve only partly.
What dermal fillers do
Dermal fillers made of hyaluronic acid are gels that add volume where it has been lost or where more definition is wanted. Common areas are the lips, cheeks, temples, chin, jawline, under-eye hollows and the folds around the mouth. The result is visible immediately and settles over about two weeks. Depending on the area and the product, it lasts about six to eighteen months. If needed, hyaluronic acid fillers can be dissolved with an enzyme called hyaluronidase.
Fillers do not lift. Placed well, they can support tissue and give the impression of a lift in the cheek, but adding volume to a face with loose skin tends to make it look heavier rather than younger.
The limits of injections
The face ages in layers. Skin loses elasticity, fat compartments shrink and slide, the ligaments that hold tissue in place relax and bone recedes slightly. Injections address only part of this.
| Concern | Injections | Surgery |
|---|---|---|
| Frown, forehead and crow’s feet lines | Botulinum toxin, usually effective | Rarely the first choice |
| Thin lips, flat cheeks, hollow temples | Filler or fat transfer | Fat transfer, lip lift |
| Heavy upper eyelid skin | Not treatable with injections | Upper eyelid surgery |
| Jowls and loose neck skin | Limited, often unsatisfying | Facelift, neck lift |
| Under-eye bags from protruding fat | Filler may camouflage a mild case | Lower eyelid surgery |
A common pattern is to keep adding filler as the face changes. Over the years this can produce a full, rounded look that no longer matches the person’s features, especially in the midface and lips. When the amount of filler needed keeps growing, the underlying problem is usually laxity, and surgery deserves an honest look.
Fat transfer as a middle ground
Facial fat transfer uses fat taken by gentle liposuction from your own body, purified and injected into the face. It restores volume like a filler, but the fat that survives establishes a blood supply and is long-lasting. Not all of it survives. Some is reabsorbed in the first weeks, and a second, smaller session is sometimes needed. It is a minor surgical procedure under local anaesthesia with sedation or under general anaesthesia, with swelling for one to two weeks.
Fat transfer suits people who want lasting volume in larger areas, or who are having a facelift and need volume restored at the same time. It is less predictable than filler and cannot be dissolved, so careful planning matters.
Risks of injectable treatments
Downtime is short, but injections are not free of risk.
- Botulinum toxin: small bruises, headache and, uncommonly, a drooping eyelid or brow that lasts a few weeks. It is not given during pregnancy or breastfeeding, or to people with certain neuromuscular conditions.
- Fillers: swelling, bruising, lumps, or a bluish tint if placed too superficially. The most serious risk is filler entering or compressing a blood vessel, which can damage the skin and, very rarely, affect vision. This is rare but needs immediate treatment, which is why fillers should be placed by someone with detailed knowledge of facial anatomy.
How to choose
A plain way to decide:
- Lines when you move, smooth skin at rest: botulinum toxin.
- Volume loss with good skin quality: filler or fat transfer.
- Loose skin, jowls, neck bands or heavy eyelids: surgery is usually the more effective route, and injections can complement it.
- You want a trial before a bigger decision: a filler can show how added volume would look, and it is reversible.
Age matters less than the condition of the tissues. Some people in their thirties already have heavy eyelid skin, while others in their fifties mainly need volume.
Frequently asked questions
Can fillers replace a facelift?
Not when there is loose skin or jowling. Fillers can improve contour and delay the point at which surgery is considered, but they cannot remove or reposition sagging tissue.
Do wrinkles get worse when Botox wears off?
No. As the effect fades, the muscles return to their previous activity and the lines come back gradually. The treatment itself does not make them worse.
Can I have injections after facial surgery?
Yes. Botulinum toxin and fillers are often used after a facelift or eyelid surgery to fine-tune areas that surgery does not treat, such as forehead lines or the lips. The timing is agreed with your surgeon.
Is fat transfer better than filler?
Neither is better in general. Fat transfer lasts longer and uses your own tissue but requires a small operation. Filler is quick, adjustable and reversible, but it needs repeating.
Dr. Mehmet Özdemir is a plastic, reconstructive and aesthetic surgeon holding the EBOPRAS qualification. At a consultation at his practice in Bakırköy, Istanbul, he can examine your face, explain which of your concerns respond to injections and which do not, and help you decide what makes sense now and what can wait.