A hydrator adds water to the skin. A moisturizer keeps it there. Dehydrated skin needs the first, dry skin needs the second, and a lot of Canadian skin in winter needs both. This guide explains the difference, how to tell which one you are short of, and how Vivier's six face moisturizers divide up the job.
Quick answers
- What is the difference between a hydrator and a moisturizer?
- Hydrators use humectants such as hyaluronic acid to draw water into the skin. Moisturizers use emollients and occlusives such as shea butter, squalane and plant oils to soften the surface and slow water loss.
- Is my skin dry or dehydrated?
- Dehydrated skin lacks water: it feels tight, looks dull and can still be oily. Dry skin lacks oil: it feels rough, flakes and rarely shines. Many people are both at once.
- Do I need a separate hydrator with Vivier?
- Usually not. Vivier's moisturizers carry hyaluronic acid inside the cream, so one product does both jobs. Add a hydrating serum only if your skin is still tight after moisturizing.
- Which Vivier moisturizer should I start with?
- Daily Age-Defying Moisturizer in the morning ($130). Add the Nightly version ($130) when you want a richer evening step, or Intensive Hydrating Moisturizer ($190) if your skin is very dry.
- Which one is for sensitive or post-procedure skin?
- DERMA-V ($186) for barrier comfort after treatments, LEXXEL ($130) for everyday dryness and visible redness on reactive skin.
Hydrator vs moisturizer: the difference
The two words get used interchangeably on packaging, which is why so many people buy the wrong one. They describe two different jobs.
A hydrator is built around humectants: ingredients that attract and hold water. Hyaluronic acid, glycerin and panthenol are the common ones. A hydrator raises the water content of the upper layers of the skin, which is what makes skin look plump and feel comfortable rather than tight.
A moisturizer is built around emollients and occlusives: oils, butters and lipids that sit in and on the surface. Shea butter, squalane, avocado oil, ceramides. They soften rough texture and slow the rate at which water evaporates from the skin, so whatever hydration is there stays there.
| Type | What it does | Typical ingredients | Skin that needs it |
|---|---|---|---|
| Hydrator | Draws water into the skin and holds it | Hyaluronic acid, sodium hyaluronate, glycerin, panthenol | Dehydrated skin, any skin type, including oily |
| Moisturizer | Softens the surface and slows water loss | Shea butter, squalane, avocado and argan oils, ceramides | Dry skin, and anyone in low-humidity conditions |
The practical rule. A hydrator without a moisturizer over it can leave skin feeling tighter, because the water it pulls in evaporates. A moisturizer without enough water underneath just seals in dryness. Most people do best with both, and the simplest way to get both is a moisturizer that already contains humectants.
Dry, dehydrated, or both
Dry is a skin type: your skin produces less oil than average, and it tends to stay that way. Dehydrated is a skin condition: your skin is short of water right now, whatever type it is. Oily skin can be dehydrated. Dry skin can be well hydrated. The signs are different enough to tell apart.
| Sign | Dehydrated (short of water) | Dry (short of oil) |
|---|---|---|
| Feel | Tight, especially after cleansing | Rough, sometimes itchy |
| Look | Dull, fine lines more visible, can still be shiny by afternoon | Flaky, matte, rarely shines |
| Makeup | Settles into fine lines | Catches on flakes and patches |
| Changes with | Weather, flights, heating, how much water you drank, actives like retinol | Mostly constant, worse in winter |
| Needs | Humectants, then something to seal them in | Emollients and occlusives, richer at night |
If you ticked boxes in both columns, that is normal. Skin that is dry by type is also more likely to become dehydrated, because a thinner oil layer lets water escape faster. The answer is still one product, just a richer one.
How Vivier handles it
Vivier does not sell a standalone hydrating serum. Instead it puts the humectants inside the moisturizers. Sodium hyaluronate appears in the Daily and Nightly Age-Defying Moisturizers, in GrenzCine Face and in DERMA-V, and the Intensive Hydrating Moisturizer is built on a multi-weight hyaluronic acid system. Each is what the brand calls a dual-action product: it hydrates and moisturizes in one step.
That simplifies the routine. The question is not "do I need a hydrator and a moisturizer" but "which Vivier moisturizer has the right balance of water and oil for my skin." The section below is that decision.
The six Vivier face moisturizers
Six products, six different jobs. They are listed here from the lightest and most general to the most targeted.
Daily Age-Defying Moisturizer
- Texture Lightweight day cream
- Hydrates with Sodium hyaluronate
- Moisturizes with Shea butter, argan oil
- Also contains Vitamin C (sodium ascorbyl phosphate), vitamin E
- Skin types All
- Price $130, 55 ml
The default. Light enough to sit under sunscreen and makeup, with antioxidants for the daytime. If you only own one Vivier moisturizer, this is it. Shop Daily Age-Defying Moisturizer
Nightly Age-Defying Moisturizer
- Texture Richer night cream
- Hydrates with Sodium hyaluronate, hydrolyzed glycosaminoglycans
- Moisturizes with Squalane, avocado, soybean and sunflower oils
- Also contains Vitamin C, vitamin E
- Skin types All
- Price $130, 55 ml
The same idea as the Daily, with more oil and a heavier feel, designed to support the skin's natural moisture barrier overnight. The natural partner to a retinol, applied over it. Shop Nightly Age-Defying Moisturizer
Intensive Hydrating Moisturizer
- Texture Rich, non-greasy finish
- Hydrates with Multi-weight hyaluronic acid, panthenol
- Moisturizes with A four-ceramide lipid complex, squalane
- Also contains A three-peptide complex
- Skin types Dry, very dry, dehydrated
- Price $190, 55 ml
The newest addition and the one built most directly for the both-at-once problem: hyaluronic acid at several molecular weights for water, ceramides and squalane to keep it in. Morning and night if your skin is very dry, or night only in winter for everyone else. Shop Intensive Hydrating Moisturizer
LEXXEL
- Texture Gentle, light cream
- Moisturizes with Avocado oil, caprylic/capric triglyceride
- Soothes with Hexamidine, allantoin, calendula
- Skin types All, especially dry and sensitive
- Price $130, 55 ml
Vivier's comfort moisturizer for skin that is dry and easily bothered, positioned for chapping, roughness and the look of redness. No vitamin C, no actives to react to. Once or twice a day. Shop LEXXEL
DERMA-V
- Texture Soothing cream
- Hydrates with Sodium hyaluronate, glycerin
- Moisturizes with Olive fruit oil, jojoba esters
- Also contains Prebiotics, antioxidants, peptides
- Skin types Sensitive, post-procedure, all
- Price $186, 55 ml
The barrier-comfort moisturizer Vivier recommends after peels, microneedling, IPL and non-ablative laser, and the one in the Sensitive Skin Program. Nightly on face, neck and chest, or as needed. Shop DERMA-V
GrenzCine Face
- Texture Face cream, morning and night
- Hydrates with Sodium hyaluronate
- Moisturizes with Shea butter, argan oil
- Also contains Polyamine-DAB, vitamin C, Activ8 complex
- Skin types All
- Price $292, 55 ml
A moisturizer second and a treatment first. It carries Vivier's Polyamine-DAB technology, positioned for thin skin, loss of firmness and luminosity. Choose it for what it does beyond hydration, not for hydration alone. Shop GrenzCine Face
Daily vs Nightly Age-Defying
This is the pair most people compare, so here is the difference in one place.
| Daily Age-Defying | Nightly Age-Defying | |
|---|---|---|
| When | Morning, under SPF | Evening, last step |
| Feel | Light, absorbs quickly | Richer, more cushioning |
| Oils and lipids | Shea butter, argan oil | Squalane, avocado, soybean, sunflower oils |
| Humectants | Sodium hyaluronate | Sodium hyaluronate plus glycosaminoglycans |
| Antioxidants | Vitamin C and E | Vitamin C and E |
| Price | $130 | $130 |
Do you need both? If your skin is normal to oily, the Daily alone, morning and night, is fine for most of the year. If your skin is dry, or you use a retinol, the Nightly earns its place from the first week. The beginner's routine guide starts with the Daily only and adds the Nightly later, which is the right order.
Which one for your skin
| Your skin | Morning | Night |
|---|---|---|
| Normal or combination | Daily Age-Defying | Daily Age-Defying, or Nightly in winter |
| Oily but dehydrated | Daily Age-Defying | Daily Age-Defying. Skip heavier creams. |
| Dry | Daily Age-Defying | Nightly Age-Defying |
| Very dry, tight, flaky | Intensive Hydrating | Intensive Hydrating |
| Dry and reactive, prone to redness | LEXXEL | LEXXEL |
| Recovering from a peel, laser or microneedling | DERMA-V or as your clinic directs | DERMA-V |
| Thin, crepey, losing firmness | GrenzCine Face | GrenzCine Face, or Nightly Age-Defying if budget is a factor |
A note on Canadian winters
Indoor heating from November to March drops indoor humidity to a level where even oily skin loses water faster than it can replace it. This is why people who are fine all summer suddenly feel tight in December. The fix is not a new hydrator, it is a richer moisturizer at night: step from Daily to Nightly, or from Nightly to Intensive Hydrating, for the cold months, then step back down in spring. The fall retinol reset guide covers the same seasonal logic for actives.
Where it goes in the routine
- Cleanse, and tone if you use a toner.
- Serums and targeted products: vitamin C in the morning, retinol or a corrector at night. Thinnest textures first.
- Moisturizer. Every Vivier moisturizer goes here, after serums and before sunscreen. This is where the humectants inside it do their work.
- Sunscreen, morning only, always last. Sheer SPF 45 or the Sheer SPF 30 Mineral.
Apply moisturizer to skin that is still slightly damp from toner or serum. Humectants have more water to hold on to that way, which is the one small habit that makes a noticeable difference to how hydrated skin feels by mid-morning.
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Shop VivierFrequently asked questions
What is the difference between a hydrator and a moisturizer?
A hydrator uses humectants such as hyaluronic acid and glycerin to draw water into the skin. A moisturizer uses emollients and occlusives such as shea butter, squalane and plant oils to soften the surface and slow water loss. Hydrators are for dehydrated skin, moisturizers for dry skin, and most people benefit from both.
Can oily skin be dehydrated?
Yes, and it is common. Oily skin produces plenty of oil but can still be short of water, which shows as tightness after cleansing, dullness and fine lines that look worse than they are. A light moisturizer with humectants, such as the Daily Age-Defying Moisturizer, is the right answer rather than skipping moisturizer altogether.
Does Vivier make a hyaluronic acid serum?
No. Vivier builds hyaluronic acid (sodium hyaluronate) into its moisturizers instead, so the Daily and Nightly Age-Defying Moisturizers, Intensive Hydrating Moisturizer, DERMA-V and GrenzCine Face all hydrate and moisturize in one step.
Which Vivier moisturizer is best for dry skin?
Nightly Age-Defying Moisturizer for dry skin, Intensive Hydrating Moisturizer for very dry or dehydrated skin, and LEXXEL if the dryness comes with sensitivity and visible redness.
Can I use the Nightly Age-Defying Moisturizer in the morning?
You can. It is simply richer than the Daily, so it may feel heavier under sunscreen. In winter, many people use it morning and night without any problem.
Which Vivier moisturizer should I use with retinol?
Nightly Age-Defying Moisturizer applied over the retinol, or Intensive Hydrating Moisturizer if the retinol is leaving your skin dry. On nights when skin feels irritated, DERMA-V alone with no retinol is a sensible rest night.
Where can I buy Vivier moisturizers in Canada?
From an authorized Canadian retailer. Your Skin Solution is an authorized Vivier retailer, with free shipping on orders over $99 within Canada.
Product positioning, ingredient lists and directions are as published by Vivier Canada. Prices are current as of 25 September 2026 and may change. Descriptions refer to visible, cosmetic change. Individual results vary. This article is general information, not medical advice. Speak with your dermatologist or skincare professional about what suits your skin, and follow your clinic's instructions for post-procedure care.