Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Clarins Double Serum Complete Age-Defying Concentrate Versus Lancôme Rénergie H.P.N. 300-Peptide Cream

Clarins Double Serum Complete Age-Defying Concentrate Versus Lancôme Rénergie H.P.N. 300-Peptide Cream Detailed comparison of Clarins Double Serum Complete Age-Defying Concentrate versus Lancôme Rénergie H.P.N. 300-Peptide Cream. This anti-aging serum is formu

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Clarins Double Serum Complete Age-Defying Concentrate Versus Lancôme Rénergie H.P.N. 300-Peptide Cream Detailed comparison of Clarins Double Serum Complete Age-Defying Concentrate versus Lancôme Rénergie H.P.N. 300-Peptide Cream. This anti-aging serum is formulated around Squalane and Palmitoyl Tripeptide-1 to soften the look of wrinkles and hydrate skin. This anti-aging moisturizer is formulated around Niacinamide and Adenosine to soften the look of wrinkles and refine skin texture. Water Squalane Hexyl Laurate Glycerin Pentylene Glycol Propanediol Silybum Marianum Seed Oil Butylene Glycol Ethylene/Propylene/Styrene Copolymer Parfum Fructose Tromethamine Carbomer Hydroxyacetophenone Avena Sativa Kernel Extract Escin Tocopheryl Acetate Ethylhexylglycerin Aloe Barbadensis Leaf Juice Powder Sodium Acetylated Hyaluronate Theobroma Cacao Extract Caprylic/Capric Triglyceride Aesculus Hippocastanum Extract Leontopodium Alpinum Flower/Leaf Extract Disodium EDTA Maltodextrin Xanthan Gum Butylene/Ethylene/Styrene Copolymer Curcuma Longa Root Extract Persea Gratissima Oil Unsaponifiables Melissa Officinalis Leaf Extract Caramel Hippophae Rhamnoides Kernel Extract Sodium Lactate Musa Sapientum Fruit Extract Oenothera Biennis Flower/Leaf/Stem Extract Harungana Madagascariensis Extract Kalanchoe Pinnata Leaf Extract Mangifera Indica Leaf Extract 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 Oil Arundo Donax Stem Extract Jania Rubens Extract Potassium Sorbate Sodium Citrate Malpighia Emarginata Seed Extract Arbutus Unedo Fruit Extract Palmitoyl Tripeptide-1 CI 14700 Palmitoyl Tetrapeptide-7 Water, Squalane, Hexyl Laurate, Glycerin, Pentylene Glycol, Propanediol, Silybum Marianum Seed Oil, Butylene Glycol, Ethylene/Propylene/Styrene Copolymer, Parfum, Fructose, Tromethamine, Carbomer, Hydroxyacetophenone, Avena Sativa Kernel Extract, Escin, Tocopheryl Acetate, Ethylhexylglycerin, Aloe Barbadensis Leaf Juice Powder, Sodium Acetylated Hyaluronate, Theobroma Cacao Extract, Caprylic/Capric Triglyceride, Aesculus Hippocastanum Extract, Leontopodium Alpinum Flower/Leaf Extract, Disodium EDTA, Maltodextrin, Xanthan Gum, Butylene/Ethylene/Styrene Copolymer, Curcuma Longa Root Extract, Persea Gratissima Oil Unsaponifiables, Melissa Officinalis Leaf Extract, Caramel, Hippophae Rhamnoides Kernel Extract, Sodium Lactate, Musa Sapientum Fruit Extract, Oenothera Biennis Flower/Leaf/Stem Extract, Harungana Madagascariensis Extract, Kalanchoe Pinnata Leaf Extract, Mangifera Indica Leaf Extract, 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 Oil, Arundo Donax Stem Extract, Jania Rubens Extract, Potassium Sorbate, Sodium Citrate, Malpighia Emarginata Seed Extract, Arbutus Unedo Fruit Extract, Palmitoyl Tripeptide-1, CI 14700, Palmitoyl Tetrapeptide-7 Dimethicone Cetearyl Alcohol Theobroma Grandiflorum Seed Butter Alcohol Denat. Cetearyl Isononanoate Niacinamide Glyceryl Stearate PEG-100 Stearate Isopropyl Palmitate Octyldodecanol Cyclodextrin Hydrolyzed Lupine Protein Pisum Sativum Extract Adenosine Capryloyl Salicylic Acid Hydrolyzed Hyaluronic Acid Hydrolyzed Linseed Extract Trisodium Ethylenediamine Disuccinate Cer Be the first to review These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Citric Acid is an alpha hydroxy acid (AHA) naturally found in citrus fruits like oranges, lemons, and limes. Like other AHAs, citric acid can exfoliate skin by breaking down the bonds that hold dead skin cells together. This helps reveal smoother and brighter skin underneath. However, this exfoliating effect only happens at high concentrations (20%) which can be hard to find in cosmetic products. Due to this, citric acid is usually included in small amounts as a pH adjuster. This helps keep products slightly more acidic and compatible with skin's natural pH. In skincare formulas, citric acid can: While it can provide some skin benefits, research shows lactic acid and glycolic acid are generally more effective and less irritating exfoliants. Most citric acid used in skincare today is made by fermenting sugars (usually from molasses). This synthetic version is identical to the natural citrus form but easier to stabilize and use in formulations. Rosacea skin has a lower threshold for acids generally, with 62.5% of rosacea subjects in one study reacting to lactic acid in a sting test. This is why we mark citric acid as a potential rosacea trigger. However, this ingredient shows up as a pH adjuster or chelator at roughly 0.1-1% in many products. These low levels are unlikely to be an issue for rosacea skin and becomes a potential trigger at exfoliating concentrations (20%). Because everybody's skin is unique, we recommend a patch test if you are unsure. Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum. Topically, glycerin does several things at once: Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3. Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin. This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products. Just know very high concentrations (>40%) can feel tacky in low humidity. Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine. Parfum is a catch-all term for an ingredient or more that is used to give a scent to products. Also called "fragrance", this ingredient can be a blend of hundreds of chemicals or plant oils. This means every product with "fragrance" or "parfum" in the ingredients list is a different mixture. For instance, Habanolide is a proprietary trade name for a specific aroma chemical. When used as a fragrance ingredient in cosmetics, most aroma chemicals fall under the broad