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Hydration & Dry Skin

Hydration Season: Why Now Is the Time to Start Feeding Your Skin

OM Dr Olivia McCormack Published 6 March 2026 · 10 min read

There's a moment every year when your skin quietly tells you it needs something different. The tightness after cleansing lingers a little longer. Makeup sits on top rather than settling in. That healthy bounce you took for granted looks flat by mid-afternoon. Most of the time it isn't age or tiredness. It's dehydration, and it's one of the most common concerns I see across our Cobham, Esher and Wimbledon clinics.

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The good news is that dry, dull, thirsty-looking skin responds beautifully to the right care. As I often remind my patients, healthy skin genuinely does start with hydration, and there are more ways than ever to put it back in. From advanced skin boosters that work from within to medical-grade facials and a properly adjusted skincare routine, the aim is the same: skin that looks fresh, feels comfortable and holds onto its glow all year round.

This is also a timing conversation. The habits and treatments you put in place now are what carry your skin through the shifting weather ahead, so any results you achieve last rather than fade. Let's talk through what dehydrated skin actually is, how skin boosters help, and the everyday changes that keep the benefits going.

Dry skin versus dehydrated skin: knowing the difference

People use the words interchangeably, but they aren't the same thing, and the distinction matters when you're choosing how to treat it.

Dry skin is a skin type. It produces less oil (sebum) than it needs, so it tends to feel rough or flaky more or less permanently, whatever the season. Dehydrated skin is a condition, and it can happen to anyone, including people with oily or combination skin. It means the skin is short on water rather than oil. That's why you can have a shiny T-zone and still feel tight, or notice fine lines that look more etched than usual by the end of the day.

Dehydration shows up as dullness, a lack of plumpness, more visible fine lines, and a complexion that just looks tired even after a good night's sleep. It's driven by all sorts of things: central heating, air conditioning, cold wind, over-exfoliating, harsh cleansers, not drinking enough water, and the natural dip in the skin's own hyaluronic acid and oil production as we get older. Because so many of these factors change with the weather, dehydration often creeps in during the transitions between seasons, which is exactly why it's worth acting before it takes hold.

How skin boosters put hydration back in

Skin boosters are one of my favourite tools for dehydrated skin, and for good reason. Rather than sitting on the surface the way a moisturiser does, they deliver hydration directly into the skin through a series of tiny microinjections. The active ingredient in most of them is hyaluronic acid, a substance your body already produces. A single gram of it can hold up to around six litres of water, which is what makes it such a remarkable hydrator.

What sets a skin booster apart from a traditional dermal filler is intention. Fillers are designed to add volume and structure in a specific area. Skin boosters aren't about changing your shape at all. They spread through the skin to improve its quality from the inside, drawing in and holding water so the complexion looks dewy, feels softer and reflects light more evenly. Many formulations also gently stimulate the skin's own collagen and elastin over time, so alongside the immediate hydration you get a gradual improvement in firmness and texture.

Not every booster suits every face

Here's the part I feel strongly about. There are lots of skin boosters on the market now, and they are not interchangeable. Some are pure hydrators. Some, like Profhilo, use a high concentration of hyaluronic acid to bio-remodel the skin and tackle early laxity as well as dryness. Polynucleotides work differently again, acting more like a repair signal that supports the skin's own regeneration and calms redness. Others are blended with vitamins and antioxidants to brighten a dull complexion.

The right choice depends on your skin, your age, your concerns and what you want the result to feel like. That's genuinely why I ask you to come in rather than pick a treatment off a menu. A short consultation lets me look at your skin properly, understand what's causing the dehydration, and build a plan around you. It's the difference between a treatment that ticks a box and one that actually solves the problem you walked in with.

What a skin booster course involves

Skin boosters are typically done as a short course rather than a one-off. For most people that means two or three sessions spaced a few weeks apart to build the result, followed by a maintenance treatment every few months to keep it topped up. The exact schedule depends on which product I use and how your skin responds, and I'll map that out for you at your consultation.

The appointment itself is quick and comfortable. I usually apply a numbing cream first, then place a series of small injections across the treatment area, most commonly the face, but the neck, décolletage and backs of the hands respond wonderfully too. The whole thing tends to take around half an hour.

Afterwards you may notice small bumps where the product was placed, along with some redness and the odd tiny bruise. For most people this settles within a day or so, and the little bumps flatten as the hyaluronic acid disperses and integrates into the skin. There's no real downtime in the traditional sense. Plenty of my patients come in on a lunch break and head straight back to their day. Results build gradually over the following weeks, and the plumper, brighter, more hydrated look tends to keep improving as the course progresses.

Simple aftercare that protects your result

Good aftercare is straightforward. I ask you to keep the area clean and avoid makeup for the rest of the day, skip strenuous exercise, saunas and steam rooms for about 24 to 48 hours, and stay out of very hot environments while any redness settles. Avoid touching or massaging the area unless I've told you otherwise, and be diligent with sunscreen. Beyond that, drinking enough water and keeping up a supportive skincare routine at home is what helps the hydration last.

Don't ignore your skincare

Treatments do a lot, but they aren't the whole picture. As I always say, even the people who spend all day doing injectables won't let their skincare slide, and neither should you. What you use at home every morning and night is the foundation that everything else builds on. Skip it, and you're effectively topping up a bath with the plug pulled out.

For dehydrated skin, the two ingredients worth knowing are hyaluronic acid and, for locking moisture in, a good barrier-supporting moisturiser. A hyaluronic acid serum applied to slightly damp skin draws water into the upper layers, and sealing it with a moisturiser stops that water evaporating away. Ingredients like glycerin, ceramides and squalane all help reinforce the skin barrier, which is often what's quietly broken in dehydrated skin.

Adapt your routine as the weather turns

This is the timing point again, and it's an important one. Your skin doesn't need the same things in damp, cold weather that it does in warm, humid weather. When the seasons shift, your routine should shift with it. That often means layering in richer hydrators and dedicated serums, and it can mean adjusting the strength of your active ingredients.

Vitamin C is a good example. It's a brilliant antioxidant that brightens and protects, and I'm a big fan of it, but a very high percentage can feel too much for a compromised, dehydrated barrier. Lowering or changing the concentration when the weather changes lets you keep all the brightening benefits without the irritation. Retinoids are similar: worth pairing with extra moisture so you support the barrier rather than stress it. Making these tweaks now, before your skin is struggling, means it adapts smoothly through the year and the results you've worked for stay put. I can look at what you're currently using and tell you exactly what to keep, what to change and what to add.

Facials and treatments that boost hydration further

Skin boosters and good skincare are the backbone, but there are lovely ways to layer in extra hydration alongside them. Medical-grade facials such as Hydrafacial cleanse, exfoliate and flood the skin with hydrating serums in one comfortable session, leaving an instant, camera-ready glow with no downtime, which makes it a favourite before an event.

For something that combines resurfacing with deep hydration, treatments like Aquagold use ultra-fine microchannels to deliver a bespoke blend of ingredients into the skin at once. Bio-remodelling injectables such as Profhilo sit somewhere between a booster and a firming treatment, addressing dryness and early laxity together. The right combination varies from person to person, which is why I always start with a proper assessment rather than assuming one treatment fits all.

Common questions about hydrating your skin

How do I know if my skin is dehydrated rather than just dry?

A quick clue is how your skin behaves through the day. Dehydrated skin often looks fine in the morning but turns dull and shows more fine lines by the afternoon, and it can feel tight even when it's a bit oily. Dry skin feels rough and flaky most of the time regardless of the season. If you're not sure, I can assess it in clinic and tell you which one you're dealing with.

How long do skin booster results last?

It varies with the product used and your own skin, but as a general guide the hydration and glow from a completed course tend to last several months. Most people keep it going with a maintenance treatment a couple of times a year. I'll give you a realistic timeline for the specific booster I recommend for you.

Can I have a skin booster if I've had filler or anti-wrinkle injections?

In most cases yes. Skin boosters work in a different layer and with a different purpose to volumising filler, so they often complement other treatments nicely. I'll always take a full history at your consultation and plan the timing so everything works together safely.

Will drinking more water fix dehydrated skin on its own?

Staying well hydrated absolutely helps and is worth doing, but water alone rarely solves it. Dehydrated skin is usually about the barrier struggling to hold moisture in, so you also need the right topical ingredients to draw water in and seal it, and sometimes a treatment to restore what the skin has lost. Think of it as one piece of the puzzle rather than the whole answer.

Is there any downtime after a skin booster?

Very little. You might have some redness, small bumps and the occasional tiny bruise for a day or two, but most people carry on with their day straight afterwards. I'll give you clear aftercare so you know what to expect and how to look after the area.

Bring your glow back with me

If your skin has been feeling dull, tired or thirsty, it may simply need the right boost and a plan that's built around you rather than a generic fix. That's what I do best. I'll look at your skin properly, work out what's really behind the dehydration, and recommend the combination of skin boosters, treatments and everyday skincare that will keep you looking fresh through every season.

Now really is the time to start, so the results settle in and carry you comfortably through the year ahead. To book a consultation with me at Wellface in Cobham, Esher or Wimbledon, get in touch with the team and we'll take it from there.

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