Hydrating face masks promise a burst of moisture and a rested look in fifteen minutes. They can deliver a pleasant, temporary boost: skin looks plumper, and fine dry lines soften for a while. They are an optional extra, though. A mask does broadly what a good moisturizer does, in a more concentrated or occlusive form.
What we looked at
We compared mask types by format, typical ingredients and cost per use, and checked general claims against dermatology guidance on moisturizing. Nothing here comes from first-hand trials of individual masks.
How a hydrating mask works
- It puts a generous layer of water and humectants on the skin.
- The sheet, the gel or the thick cream slows evaporation.
- For the minutes or hours that it stays on, the outer layer of skin absorbs more water than it would from a thin layer of lotion.
The effect lasts from a few hours to a day. Lasting hydration still depends on your daily cleanser, moisturizer and sunscreen.
Types of mask
| Type | What it is | Wear time | Rinse? |
|---|---|---|---|
| Sheet mask | Fabric, cellulose or hydrogel sheet soaked in serum | 10 to 20 minutes | No; pat in the rest |
| Cream mask | Thick, rich cream | 10 to 20 minutes | Tissue off or rinse |
| Gel mask | Cool, water-based gel | 10 to 20 minutes | Rinse or leave on |
| Overnight or sleeping mask | Rich gel-cream applied as the last step at night | Overnight | Wash off in the morning |
| Dry or powder mask to mix | Powder mixed with water | As directed | Rinse |
Ingredients that hydrate
- Humectants: glycerin, hyaluronic acid, sodium PCA, panthenol, aloe, betaine, urea, polyglutamic acid.
- Emollients and occlusives, in cream and overnight masks: squalane, shea butter, ceramides, dimethicone.
- Soothing ingredients: allantoin, colloidal oatmeal, centella extracts.
Moisturizer Ingredients: Humectants, Emollients, and Occlusives explains these groups, and How to Use Hyaluronic Acid in Your Skincare Routine covers hyaluronic acid.
Ingredients to be careful with
- Fragrance and essential oils, which are common in masks and sit on the skin for a long time.
- Alcohol high on the list.
- Acids, retinol or vitamin C, in a mask sold as "hydrating", if your skin is sensitive.
- Long lists of plant extracts, if you are prone to reactions.
Choosing by skin type
| Skin type | A sensible choice |
|---|---|
| Dry | Cream or overnight mask with emollients |
| Dehydrated, oily | Gel or sheet mask with humectants; no heavy oils. See Dry Skin vs Dehydrated Skin: Key Differences |
| Sensitive | Fragrance-free; short ingredient list; patch test |
| Normal or combination | Any type you enjoy |
| Acne-prone | Light gel; non-comedogenic; avoid rich overnight masks on breakout areas |
How to use a hydrating mask
- Cleanse your face.
- Apply the mask to slightly damp skin.
- Leave it on for the stated time. Do not let a sheet mask dry on your face, because a dry sheet can draw moisture back out.
- Remove it, or pat in what is left.
- Follow with moisturizer, to hold the hydration in.
Once or twice a week is plenty. Use one before an event, after a flight, or when your skin feels tight.
Judging value
Masks vary greatly in price. To compare them:
- Sheet masks are single-use, so the price per mask is the cost per use.
- Jar or tube masks give many uses. Divide the price by the number of uses, which is roughly the volume in milliliters divided by 5 to 10 ml per application.
- Overnight masks use less per application, and often work out cheapest.
| Format | Typical uses per pack | Waste |
|---|---|---|
| Sheet mask | 1 | Sachet and sheet each time |
| Jar, 50 ml | About 5 to 10 | One container |
| Overnight mask, 50 ml | About 15 to 25 | One container |
How to Compare Makeup Prices, Sizes, and Value shows how to compare price per use for any product.
A lower-cost alternative
Apply a hydrating serum to damp skin, follow with a thicker layer of your usual moisturizer, and leave it on overnight. For many people, the result is close to that of a mask. See Choosing a Moisturizer: A Guide for Every Skin Type.
Claims to read calmly
- "Instant plumping" describes a temporary effect of hydration.
- "Detox" and "purifying" are marketing words.
- "Clinically proven" depends on what was tested, and how.
- Collagen in a mask moisturizes the surface. It does not become collagen in your skin.
Hygiene
Use clean hands, or a spatula, for jar masks. Do not reuse a sheet mask, and do not share masks.
Related on ArniSun
- How to Use Hyaluronic Acid in Your Skincare Routine
- Moisturizer Ingredients: Humectants, Emollients, and Occlusives
- Dry Skin vs Dehydrated Skin: Key Differences
- How to Compare Makeup Prices, Sizes, and Value
- Choosing a Moisturizer: A Guide for Every Skin Type
Sources and further reading
Frequently asked questions
How often should I use a hydrating face mask?
Once or twice a week is enough for most people. More often is fine if your skin enjoys it and the mask is fragrance-free and gentle.
Are sheet masks better than cream masks?
Neither is better. Sheet masks are convenient and cooling. Cream and overnight masks are richer and cost less per use.
Do I need to moisturize after a face mask?
Yes. A moisturizer afterwards seals in the water that the mask has added.