Laser Skin Rejuvenation in Tel Aviv: What to Expect

Laser skin rejuvenation is one of the most requested treatments, and also one of the most misunderstood: what does it actually correct, in how much time, and for which skin type. Here's what you need to know before a first session.

What skin rejuvenation actually corrects

Contrary to what its name might suggest, skin rejuvenation does not "erase" time: it acts on specific signs of skin ageing, by stimulating the skin's own resources.

The heat delivered by the laser stimulates fibroblasts located in the dermis, which boosts the natural production of collagen and elastin. This gradual action improves skin firmness, while also acting on complexion and surface texture.

Fibroblasts, the quiet drivers of skin firmness

Fibroblasts are the dermal cells responsible for producing collagen and elastin, the two proteins that give skin its firmness and elasticity. Their activity naturally slows with age, which largely explains the progressive loosening of the skin. By heating the dermis in a controlled way, the laser briefly boosts this activity again, a bit like waking up a machine left in standby mode.

Why controlled heat makes the difference

It is not the laser light itself that produces the desired effect, but the heat it generates once absorbed into the dermis. It is this precise temperature control, neither too low to be ineffective nor too high to harm the skin, that distinguishes a well-mastered medical device from a simple surface treatment: the effect happens at depth, not just in what is visible immediately after the session.

The signs that are concretely improved

• Fine lines: softened through collagen stimulation.
• Loss of firmness: skin gradually regains tone.
• Uneven complexion: pigmentation irregularities fade.
• Diffuse redness and small vessels: lessened by the laser's heat action.

The most frequently treated areas are the face (cheekbones, forehead, eye contour, perioral area), the neck and décolleté, and the hands, where sun-related spots are common. Find the full details on the site's skin rejuvenation page. For more pronounced, localised spots, our article on sun spots and melasma covers a complementary approach in detail.

How long it takes to see results

The results of skin rejuvenation are deliberately not immediate or dramatic: they are gradual, because they depend on how fast your skin regenerates its collagen. A continuous improvement is seen over 2 to 3 months after the session.

Key takeaway: skin rejuvenation is a treatment that rewards patience. It does not replace a filling procedure like hyaluronic acid, but it durably improves the skin quality on which all other treatments then build.

A protocol of 1 to 3 sessions is generally recommended depending on the area treated and the individual response to treatment, with an annual maintenance session to sustain the benefit.

The time collagen takes to reorganise

After a session, the dermis enters a remodelling phase that unfolds over several weeks: new collagen fibres form gradually, then organise themselves to restore a better architecture. It is this biological process, and not an immediate effect of the heat itself, that explains why the result keeps improving for several weeks after the appointment, rather than being fully visible as soon as you leave the clinic.

Why an annual maintenance session makes sense

Skin ageing does not stop after a rejuvenation protocol: natural collagen production keeps slowing over time. A maintenance session, generally once a year, helps regularly restart this process before the signs become too pronounced again, rather than waiting for more significant sagging before starting a full protocol over.

Precautions before and after the session

As with any laser treatment, strict sun protection (SPF 50) is recommended in the weeks before the session, especially if pigmented spots are also being targeted.

After the treatment, mild redness and a warm sensation may persist for 24 to 48 hours, along with small, temporary swelling. These reactions are normal and generally require no social downtime.

Skin rejuvenation or hyaluronic acid: don't confuse the two

A frequent point of confusion: laser skin rejuvenation and hyaluronic acid address different needs. The former improves the overall quality of the skin (firmness, complexion, texture) over time. The latter fills a volume or a hollow immediately. The two are frequently complementary rather than interchangeable, depending on what you are looking to correct.

In short

• Laser skin rejuvenation stimulates the skin's collagen and elastin, without "freezing" it or adding volume.
• It improves complexion, firmness and fine lines, as well as diffuse redness.
• Results are gradual, visible over 2 to 3 months, with a protocol of 1 to 3 sessions.
• It differs from hyaluronic acid, which fills a volume rather than improving skin quality.

Wondering if skin rejuvenation is right for your skin? Book an appointment at Dr Mergui's clinic, 8A Frishman, for a personalised opinion.

This article is for informational purposes and does not replace a medical consultation. Only an examination of your skin can determine the most suitable protocol.