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[ DemythSkin Verdict ]

Clarins

Clarins Double Serum (9th Generation)

Name: Clarins Double Serum (9th Generation)
Brand: Clarins

SerumAnti-aging, firmness, fine lines, dullness, loss of elasticity

Efficacy

Solid

3.8 / 5.0

Safety

Safe

4.3 / 5.0

System Verdict

A prestige multi-peptide serum with impressive botanical breadth but held back by fragrance, weak peptide positioning, and missing stabilization for its antioxidant claims. The efficacy score of 3.7 reflects a well-formulated hydration and barrier-support base (Squalane, Glycerin, Hyaluronic Acid, Ceramides absent but compensated by Oat and Avocado oils) paired with two cell-communicating peptides (Palmitoyl Tripeptide-1 and Tetrapeptide-7) positioned at the end of the INCI list, suggesting sub-0.5% concentrations—below typical efficacy thresholds for visible firming. The 22 plant extracts deliver antioxidant and soothing benefits, but many appear as trace ingredients (positions 20+). Critically, Fragrance is present and undeclared in the marketing, which reduces the safety score to 4.4 due to irritation risk for sensitive skin. The formula lacks Vitamin C (removed from the 8th generation per user feedback), relying instead on weaker Acerola extract and Tocopherol derivatives. The 2/3 hydric + 1/3 lipidic ratio is elegant for absorption, but the peptides and antioxidants lack encapsulation or stabilization systems, making them vulnerable to oxidation and reducing real-world efficacy below the ingredient list suggests.

Active Ingredients Detected

A Tier: Good BasicsProven Results

SqualaneGlycerinTocopheryl AcetateAloe Barbadensis Leaf JuiceSodium Acetylated HyaluronateTocopherolPersea Gratissima (Avocado) Oil UnsaponifiablesCentaurea Cyanus Flower ExtractGlycine Soja (Soybean) OilTocopherol

B Tier: Supporting IngredientsPromising Ingredients

Hexyl LaurateEthylene/Propylene/Styrene CopolymerEscinPalmitoyl Tripeptide-1Palmitoyl Tetrapeptide-7Pentaerythrityl Tetra-Di-T-Butyl HydroxyhydrocinnamateCaramelCI 14700/Red 4Hippophae Rhamnoides Kernel ExtractMaltodextrinHydroxyacetophenoneFructose

C Tier: Marketing IdolsHype | Limited or Weak Data

Avena Sativa (Oat) Kernel ExtractCurcuma Longa (Turmeric) Root ExtractAesculus Hippocastanum (Horse Chestnut) ExtractTheobroma Cacao (Cocoa) ExtractMalpighia Emarginata (Acerola) Seed ExtractArbutus Unedo Fruit ExtractHedychium Coronarium Root ExtractDipsacus Sylvestris ExtractArundo Donax Stem ExtractJania Rubens ExtractLeontopodium Alpinum Flower/Leaf ExtractMelissa Officinalis Leaf Extract

D Tier: Potential IrritantsBe Cautious

Silybum Marianum Seed OilParfum/Fragrance

What Each Ingredient Does

Aqua/Water/Eau: Solvent, hydration base
Squalane: Skin-identical emollient, barrier support
Hexyl Laurate: Emollient, texture enhancer
Glycerin: Humectant, skin-identical moisturizer
Pentylene Glycol: Humectant, preservative booster
Propanediol: Humectant, solvent
Silybum Marianum Seed Oil: Antioxidant, emollient
Butylene Glycol: Humectant, solvent
Ethylene/Propylene/Styrene Copolymer: Film-former, texture control
Parfum/Fragrance: Scent (potential irritant)
Avena Sativa (Oat) Kernel Extract: Antioxidant, soothing, emollient
Escin: Circulation support, anti-inflammatory
Tocopheryl Acetate: Antioxidant (Vitamin E derivative)
Ethylhexylglycerin: Preservative
Aloe Barbadensis Leaf Juice: Soothing, humectant
Sodium Acetylated Hyaluronate: Humectant, hydration booster
Tocopherol: Antioxidant (Vitamin E)
Curcuma Longa (Turmeric) Root Extract: Antioxidant, anti-inflammatory, brightening
Persea Gratissima (Avocado) Oil Unsaponifiables: Antioxidant, soothing, emollient
Palmitoyl Tripeptide-1: Cell-communicating peptide, firming
Palmitoyl Tetrapeptide-7: Cell-communicating peptide, anti-inflammatory
Aesculus Hippocastanum (Horse Chestnut) Extract: Antioxidant, circulation support
Theobroma Cacao (Cocoa) Extract: Antioxidant, soothing
Caprylic/Capric Triglyceride: Emollient, texture enhancer

Full Ingredient List (INCI)

Aqua/Water/Eau, Squalane, Hexyl Laurate, Glycerin, Pentylene Glycol, Propanediol, Silybum Marianum Seed Oil, Butylene Glycol, Ethylene/Propylene/Styrene Copolymer, Parfum/Fragrance, Fructose, Tromethamine, Carbomer, Hydroxyacetophenone, Avena Sativa (Oat) Kernel Extract, Escin, Tocopheryl Acetate, Ethylhexylglycerin, Aloe Barbadensis Leaf Juice, Sodium Acetylated Hyaluronate, Sodium Benzoate, Citric Acid, Centaurea Cyanus Flower Extract, Tocopherol, Hedychium Coronarium Root Extract, Coco-Glucoside, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Dipsacus Sylvestris Extract, Glycine Soja (Soybean) Oil, Arundo Donax Stem Extract, Jania Rubens Extract, Potassium Sorbate, Sodium Citrate, Malpighia Emarginata (Acerola) Seed Extract, Arbutus Unedo Fruit Extract, Palmitoyl Tripeptide-1, CI 14700/Red 4, Palmitoyl Tetrapeptide-7, Curcuma Longa (Turmeric) Root Extract, Persea Gratissima (Avocado) Oil Unsaponifiables, Theobroma Cacao (Cocoa) Extract, Caprylic/Capric Triglyceride, Aesculus Hippocastanum (Horse Chestnut) Extract, Leontopodium Alpinum Flower/Leaf Extract, Disodium EDTA, Maltodextrin, Xanthan Gum, Melissa Officinalis Leaf Extract, Caramel, Hippophae Rhamnoides Kernel Extract, Sodium Lactate

Frequently Asked

Is Clarins Double Serum (9th Generation) worth it?

Clarins Double Serum (9th Generation) scores 3.8 out of 5.0 for efficacy (Solid) and 4.3 out of 5.0 for safety (Safe) on DemythSkin's independent ingredient analysis. A prestige multi-peptide serum with impressive botanical breadth but held back by fragrance, weak peptide positioning, and missing stabilization for its antioxidant claims. The efficacy score of 3.7 reflects a well-formu

What are the key active ingredients in Clarins Double Serum (9th Generation)?

Clarins Double Serum (9th Generation) contains no gold-standard actives — its formula is built on supporting and base ingredients rather than clinically transformative actives.

Does Clarins Double Serum (9th Generation) contain fragrance or known irritants?

DemythSkin flags these ingredients in Clarins Double Serum (9th Generation) as potential irritants: Silybum Marianum Seed Oil, Parfum/Fragrance. This product does contain fragrance.

How is Clarins Double Serum (9th Generation) scored?

DemythSkin grades every product on two independent axes: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are classified S through D against a database of over 3,000 compounds. No brand pays for a score.

Analyze on DemythSkin →

Analysis last updated: 2026-05-04. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.