2nd on the list, which puts it at an estimated 5–20% of the formula.
Decanoic acid, ester with 1,2,3-propanetriol octanoate; Glycerides, mixed decanoyl and octanoyl
Avène
Hydrance Boost Serum for Dehydrated Skin
face neck serum
Avène
face neck serum
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Fit by skin type
General, ingredient-based — not your personalized match.
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Take the skin testProviding up to 24 hours of skin-softening moisture, Avène’s Hydrance Intense Rehydrating Serum diminishes all signs of dryness and discomfort – day and night. The aqueous gel-serum is powered by the brand’s iconic Thermal Spring Water to quench and cool the complexion, promoting an instantly refreshed and recharged feel; while patented Cohederm visibly brightens and balances. Fine lines appear smoothed, skin’s suppleness is restored and radiance is renewed upon each application, making this silky formula ideal for make up prepping and priming.
Hydrance Boost Serum for Dehydrated Skin is a lightweight serum from Avène, a brand based in France. The formula is built mainly around hydration. The ingredient list runs to 19 ingredients, each broken down in full below.
By its ingredient list the formula reads as light: water and humectants lead, with emollients kept lower in the order. Hydration is handled by Glycerin, Caprylic/capric Triglyceride and Triethylhexanoin, humectants that pull water into the upper layers of skin rather than sealing it there.
Hydration: High. Ingredients that pull and hold water in the upper layers of skin, and here that comes from Glycerin, Caprylic/capric Triglyceride, Triethylhexanoin and Hydrogenated Starch Hydrolysate.
Soothing: Moderate. Ingredients aimed at visible redness and reactivity, and here that comes from Avena Sativa Seed Water and Tocopheryl Acetate.
On richness alone it suits Balanced skin best, and is the least natural fit for Dry and Combination (dry) skin. Nothing in the list is flagged as a common irritant, which is a reasonable starting point for reactive skin — though a patch test is still the only way to know.
The formula contributes little or nothing on barrier support, antioxidant protection, oil control and brightening and tone. That is not a fault — most products are not meant to do everything — but if one of those is your priority, this is not the product that will address it.
Reading the full list, the formula is essential-oil-free, no drying alcohol, paraben-free, silicone-free, microplastic-free and sulfate-free. Those claims come from the ingredient list itself, not from the packaging. It does contain fragrance, worth knowing if your skin reacts to any of them.
It can be used morning and evening. In a routine it goes after toner, before moisturiser. Apply to clean, dry skin and give it a minute to absorb before the next layer. Introduce one new treatment at a time so you can identify what is working.
This summary is generated from the product's ingredient list. It is not a review, it is not the brand's own marketing claims, and it does not replace advice from a dermatologist.
Drawn purely from the ingredient list
Scored on how rich or light the formula reads from its INCI order.
No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.
Based on the curated benefits documented for this product's ingredients.
Attracts and locks in moisture to keep skin plump and dewy
Boosts collagen and cell turnover to reduce fine lines and wrinkles
Calms redness, irritation, and inflammation for sensitive skin
None of the ingredients in this formula are associated with these benefits. This is not unusual, as most products are designed to target a limited number of concerns.
The actives, UV filters and benefit-carrying ingredients in this formula, in the order they are listed.
2nd on the list, which puts it at an estimated 5–20% of the formula.
Decanoic acid, ester with 1,2,3-propanetriol octanoate; Glycerides, mixed decanoyl and octanoyl
4th on the list, which puts it at an estimated 2–10% of the formula.
Propane-1,2,3-triyl 2-ethylhexanoate
5th on the list, which puts it at an estimated 2–10% of the formula.
Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane
7th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Maize starch, hydrolyzed, hydrogenated
8th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, ether with methyl .beta.-d-glucopyranoside (4:1)
10th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Stigmast-5-en-3-.beta.-ol
18th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
3,4-Dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-benzopyran-6-yl acetate
19th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Each axis is scored from the ingredients present and how high up the list they sit.
Ingredients that pull and hold water in the upper layers of skin
Lipids and repair signals that support skin barrier integrity
Ingredients that mop up free radicals from UV and pollution
Ingredients that moderate sebum or absorb shine
Ingredients that act on uneven tone and post-inflammatory marks
Ingredients aimed at visible redness and reactivity
Retinoids, acids and enzymes that speed surface turnover
Peptides and growth factors that signal for collagen support
Read from the full ingredient list. A brand's own claim may differ.
Parfum
Judged by the same curated rules our routine checker uses. It reads the ingredients, not the label.
Nothing in this formula belongs to a group our rules can put in conflict, so it layers freely. Order still matters — thinnest texture first.
This product is the "Treat" step.
Flags to check, not verdicts. None of this is medical advice — if you are pregnant, breastfeeding or treating a skin condition, ask a doctor.
Most ingredients do more than one job, so these counts add up to more than the 19 ingredients on the label.
Sets the thickness, spread and stability of the formula
Dissolves and carries everything else
Draws water into the upper layers of skin
Sets the acidity the formula needs to work
Changes how the product smells or looks
Neutralises free radicals from UV and pollution
Softens and smooths by filling gaps between skin cells
Binds trace metals that would otherwise spoil the formula
Forms a film that slows water loss
Keeps the product free of microbial growth
Lifts oil and dirt, or holds oil and water together
Every ingredient on the label, in order, with what it does and roughly how much of it is likely to be there.
1st on the list, which puts it at an estimated 30–80% of the formula.
Avena Sativa Seed Water is an aqueous solution of the steam distillates obtained from the seeds of Avena sativa.
2nd on the list, which puts it at an estimated 5–20% of the formula.
Decanoic acid, ester with 1,2,3-propanetriol octanoate; Glycerides, mixed decanoyl and octanoyl
3rd on the list, which puts it at an estimated 5–20% of the formula.
Isohexadecyl 12-[(1-oxooctadecyl)oxy]octadecanoate
4th on the list, which puts it at an estimated 2–10% of the formula.
Propane-1,2,3-triyl 2-ethylhexanoate
5th on the list, which puts it at an estimated 2–10% of the formula.
Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane
6th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
7th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Maize starch, hydrolyzed, hydrogenated
8th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, ether with methyl .beta.-d-glucopyranoside (4:1)
9th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Benzoic acid
10th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Stigmast-5-en-3-.beta.-ol
11th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
C12-20 Alkyl Glucoside is the product obtained by the condensation of C12-20 alcohols with glucose
12th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
C14-22 Alcohols is a mixture of synthetic fatty alcohols with 14 to 22 carbons in the alkyl chain
13th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether
14th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Disodium dihydrogen ethylenediaminetetraacetate
15th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Parfum is a term for ingredient labelling used to identify that a product contains a material or a combination of materials normally added to a cosmetic to produce or to mask a particular odour. According to Article 19 of the Cosmetics Regulation, 'Perfume and aromatic compositions and their raw materials shall be referred to by the terms ‘parfum’ or ‘aroma’. '
16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
1,2,3-Propanetriol, homopolymer, tetradecanoates (1:1) (10 mol glycerol average molar ratio)
17th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Sodium hydroxide
18th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
3,4-Dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-benzopyran-6-yl acetate
19th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Products in the same category that share this formula's distinguishing ingredients.
Holika Holika
Shares 5 key ingredients with Hydrance Boost Serum for Dehydrated Skin: Water, Glycerin, Caprylic/capric Triglyceride, Beta-sitosterol, Tocopheryl Acetate
By Wishtrend
Shares 4 key ingredients with Hydrance Boost Serum for Dehydrated Skin: Glycerin, Water, Methyl Gluceth-20, Hydrogenated Starch Hydrolysate
NEOGEN
Shares 4 key ingredients with Hydrance Boost Serum for Dehydrated Skin: Water, Glycerin, Caprylic/capric Triglyceride, Tocopheryl Acetate
ma:nyo
Shares 4 key ingredients with Hydrance Boost Serum for Dehydrated Skin: Water, Caprylic/capric Triglyceride, Glycerin, Tocopheryl Acetate
Medicube
Shares 4 key ingredients with Hydrance Boost Serum for Dehydrated Skin: Water, Glycerin, Methyl Gluceth-20, Triethylhexanoin
Goodal
Shares 4 key ingredients with Hydrance Boost Serum for Dehydrated Skin: Methyl Gluceth-20, Water, Tocopheryl Acetate, Glycerin
AVENA SATIVA SEED WATER, CAPRYLIC/CAPRIC TRIGLYCERIDE, ISOCETYL STEAROYL STEARATE, TRIETHYLHEXANOIN, GLYCERIN, 1,2-HEXANEDIOL, HYDROGENATED STARCH HYDROLYSATE, METHYL GLUCETH-20, BENZOIC ACID, BETA-SITOSTEROL, C12-20 ALKYL GLUCOSIDE, C14-22 ALCOHOLS, CARBOMER, DISODIUM EDTA, PARFUM, POLYGLYCERYL-10 MYRISTATE, SODIUM HYDROXIDE, TOCOPHERYL ACETATE, WATER.
Dispense two to three pumps of Hydrance Rehydrating Serum on your fingertips, dab onto the face and neck and smooth in with your fingertips.
Judged on how rich the formula reads from its ingredient list, it suits Balanced skin best. It is the least natural fit for Dry, Combination (dry) skin.
No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.
2 ingredients could feed malassezia: Isocetyl Stearoyl Stearate, Polyglyceryl-10 Myristate. That describes the yeast's food supply, not a prediction that they will cause a breakout.
Nothing in this formula is on the standard pregnancy-caution list. That is not medical clearance — check anything you use daily with your doctor or midwife.
No — it contains Parfum.
No. Reading the full ingredient list, this formula is no drying alcohol.
Yes. Reading the full ingredient list, this formula is silicone-free.
No. Reading the full ingredient list, this formula is essential-oil-free.
Yes. Reading the full ingredient list, this formula is paraben-free.
It layers well with Vitamin C (L-ascorbic acid), Retinoids (retinol, retinal), AHAs (glycolic, lactic), BHA (salicylic acid), PHAs (gluconolactone), Benzoyl peroxide.
Use it morning and evening, after toner, before moisturiser.
It lists 19 ingredients, of which 0 are recorded as actives.
Avène, a brand based in France.
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