1st on the list, which puts it at an estimated 30–80% of the formula.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Caudalie
Premier Cru The Serum
face neck serum
Caudalie
face neck serum
Added Last edited
Fit by skin type
General, ingredient-based — not your personalized match.
See how this fits your skin
Take the skin test and I'll show you how suitable this product is for you.
Take the skin testPowered by our longevity patent and a natural plumping filler, Premier Cru The Serum reactivates the skin's youth mechanisms and cellular performance. Its high concentration of hyaluronic acid provides immediate and intense hydration to the skin. Enriched with skin-tightening sugars that deliver visible effects in just 3 minutes and last up to 6 hours, it also contains niacinamide to improve skin texture.
Premier Cru The Serum is a lightweight serum from Caudalie. The formula is built mainly around hydration. The ingredient list runs to 28 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, Propanediol and Sodium Hyaluronate, 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, Propanediol, Sodium Hyaluronate and Hydrolyzed Hyaluronic Acid.
Soothing: Moderate. Ingredients aimed at visible redness and reactivity, and here that comes from Niacinamide, Sodium Hyaluronate, Tocopherol and Magnolia Officinalis Bark Extract.
Brightening: Moderate. Ingredients that act on uneven tone and post-inflammatory marks, and here that comes from Niacinamide and Tocopherol.
Barrier support: Moderate. Lipids and repair signals that support skin barrier integrity, and here that comes from Niacinamide.
On richness alone it suits Balanced, Combination (oily) and Oily 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 antioxidant protection, cell renewal and firmness signalling. 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 no drying alcohol, paraben-free, silicone-free, microplastic-free, sulfate-free and dye-free. Those claims come from the ingredient list itself, not from the packaging. It does contain fragrance and essential oils, 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
Brightens and balances complexion for a more uniform appearance
Tightens and refines the look of enlarged pores
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.
1st on the list, which puts it at an estimated 30–80% of the formula.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
2nd on the list, which puts it at an estimated 5–20% of the formula.
Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane
3rd on the list, which puts it at an estimated 5–20% of the formula.
1,3-dihydroxypropane
4th on the list, which puts it at an estimated 2–10% of the formula.
Niacinamide (vitamin B3) is a gentle skincare active that repairs the skin barrier, calms redness, controls oil and evens tone at 2–5%. Official IUPAC name: **3-Pyridinecarboxamide**
7th on the list, which puts it at an estimated 1–5% of the formula.
Decanoic acid, ester with 1,2,3-propanetriol octanoate; Glycerides, mixed decanoyl and octanoyl
10th on the list, which puts it at an estimated 1–5% of the formula.
Hyaluronic acid, sodium, salt
14th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Helianthus Annuus Seed Oil is the oil expressed from the seeds of the Sunflower, Helianthus annuus L., Compositae
15th 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-ol; .alpha.-tocopherol; Vitamin E
16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hydrolyzed Hyaluronic Acid is the hydrolysate of Hyaluronic Acid derived by acid, enzyme or other method of hydrolysis
17th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Magnolia Officinalis Bark Extract is an extract of the bark of Magnolia officinalis, Magnoliaceae
19th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
6-Amino-9-beta-D-ribofuranosyl-9H-purine
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
"Active" here means an ingredient carrying a recorded active type or a recognised UV filter.
Solvents, emollients, texture agents and preservatives — the formula that carries the actives.
Read from the full ingredient list. A brand's own claim may differ.
Parfum, Geraniol, Linalool, Citronellol
Geraniol, Linalool, Citronellol
Helianthus Annuus Seed Oil
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 28 ingredients on the label.
Botanical material, usually for antioxidants or scent
Sets the thickness, spread and stability of the formula
Changes how the product smells or looks
Changes how skin behaves rather than how it feels
Draws water into the upper layers of skin
Softens and smooths by filling gaps between skin cells
Dissolves and carries everything else
Neutralises free radicals from UV and pollution
Forms a film that slows water loss
Lifts oil and dirt, or holds oil and water together
Binds trace metals that would otherwise spoil the formula
Sets the acidity the formula needs to work
Keeps the product free of microbial growth
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.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
2nd on the list, which puts it at an estimated 5–20% of the formula.
Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane
3rd on the list, which puts it at an estimated 5–20% of the formula.
1,3-dihydroxypropane
4th on the list, which puts it at an estimated 2–10% of the formula.
Niacinamide (vitamin B3) is a gentle skincare active that repairs the skin barrier, calms redness, controls oil and evens tone at 2–5%. Official IUPAC name: **3-Pyridinecarboxamide**
5th on the list, which puts it at an estimated 2–10% of the formula.
Grapevine shoot (Vitis vinifera L.) shoot extract, reaction products with hexadecanoyl chloride
6th on the list, which puts it at an estimated 2–10% of the formula.
Grape seed, Vitis vinifera L., extract, reaction products with hexadecanoyl chloride
7th on the list, which puts it at an estimated 1–5% of the formula.
Decanoic acid, ester with 1,2,3-propanetriol octanoate; Glycerides, mixed decanoyl and octanoyl
8th on the list, which puts it at an estimated 1–5% of the formula.
Octane-1,2-diol
9th on the list, which puts it at an estimated 1–5% of the formula.
Decanoic acid, mixed monoesters with glycerol and octanoic acid
10th on the list, which puts it at an estimated 1–5% of the formula.
Hyaluronic acid, sodium, salt
11th 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
12th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Polyacrylate Crosspolymer-6 is a copolymer of ammonium acryloyldimethyltaurate, dimethylacrylamide, lauryl methacrylate and laureth-4 methacrylate, crosslinked with trimethylolpropane triacrylate
13th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer is a copolymer of sodium hydroxyethyl acrylate and acryloyldimethyl taurate monomers
14th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Helianthus Annuus Seed Oil is the oil expressed from the seeds of the Sunflower, Helianthus annuus L., Compositae
15th 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-ol; .alpha.-tocopherol; Vitamin E
16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hydrolyzed Hyaluronic Acid is the hydrolysate of Hyaluronic Acid derived by acid, enzyme or other method of hydrolysis
17th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Magnolia Officinalis Bark Extract is an extract of the bark of Magnolia officinalis, Magnoliaceae
18th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Paeonia Lactiflora Root Extract is an extract of the roots of the Peony, Paeonia lactiflora, Ranunculaceae
19th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
6-Amino-9-beta-D-ribofuranosyl-9H-purine
20th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Sodium hydroxide
21st on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Myo-Inositol, hexakis(dihydrogen phosphate), sodium salt
22nd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Gleditsia Triacanthos Seed Extract is an extract of the seeds of the Sweet Locust, Gleditsia triacanthos L., Leguminosae
23rd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Sorbitan, isooctadecanoate
24th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Aniba Rosodora Wood Extract is the extract of the wood of Aniba rosodora, Lauraceae.
25th 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’. '
26th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
2,6-Octadien-1-ol, 3,7-dimethyl-, (2E)-
27th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
3,7-Dimethyl octa-1,6-diene-3-ol
28th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
3,7-Dimethyl-6-octen-1-ol
Products in the same category that share this formula's distinguishing ingredients.
Anua
Shares 9 key ingredients with Premier Cru The Serum: Water, Glycerin, Niacinamide, Sodium Hyaluronate, Adenosine
Numbuzin
Shares 9 key ingredients with Premier Cru The Serum: Water, Glycerin, Niacinamide, Propanediol, Adenosine
VT Cosmetics
Shares 9 key ingredients with Premier Cru The Serum: Water, Caprylic/capric Triglyceride, Niacinamide, Propanediol, Adenosine
COSRX
Shares 8 key ingredients with Premier Cru The Serum: Water, Glycerin, Niacinamide, Adenosine, Propanediol
SUNGBOON EDITOR
Shares 8 key ingredients with Premier Cru The Serum: Water, Glycerin, Propanediol, Niacinamide, Adenosine
Medicube
Shares 8 key ingredients with Premier Cru The Serum: Water, Glycerin, Propanediol, Niacinamide, Caprylic/capric Triglyceride
WATER, GLYCERIN, PROPANEDIOL, NIACINAMIDE, PALMITOYL GRAPEVINE SHOOT EXTRACT, PALMITOYL GRAPE SEED EXTRACT, CAPRYLIC/CAPRIC TRIGLYCERIDE, CAPRYLYL GLYCOL, GLYCERYL CAPRYLATE/CAPRATE, SODIUM HYALURONATE, CARBOMER, POLYACRYLATE CROSSPOLYMER-6, HYDROXYETHYL ACRYLATE/SODIUM ACRYLOYLDIMETHYL TAURATE COPOLYMER, HELIANTHUS ANNUUS SEED OIL, TOCOPHEROL, HYDROLYZED HYALURONIC ACID, MAGNOLIA OFFICINALIS BARK EXTRACT, PAEONIA LACTIFLORA ROOT EXTRACT, ADENOSINE, SODIUM HYDROXIDE, SODIUM PHYTATE, GLEDITSIA TRIACANTHOS SEED EXTRACT, SORBITAN ISOSTEARATE, ANIBA ROSODORA WOOD EXTRACT, PARFUM, GERANIOL, LINALOOL, CITRONELLOL.
NIACINAMIDE, SODIUM HYALURONATE, HYDROLYZED HYALURONIC ACID.
Apply morning and evening to the face, neck and décolleté before your moisturizer
Judged on how rich the formula reads from its ingredient list, it suits Balanced, Combination (oily), Oily 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.
3 ingredients could feed malassezia: Glyceryl Caprylate/caprate, Helianthus Annuus Seed Oil, Sorbitan Isostearate. 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, Geraniol, Linalool, Citronellol.
No. Reading the full ingredient list, this formula is no drying alcohol.
Yes. Reading the full ingredient list, this formula is silicone-free.
Yes — it contains Geraniol, Linalool, Citronellol.
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 28 ingredients, of which 3 are recorded as actives.
Caudalie.
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