Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

COSRX The Hyaluronic Acid 3 Serum Versus CeraVe Hydrating Hyaluronic Acid Serum

COSRX The Hyaluronic Acid 3 Serum Versus CeraVe Hydrating Hyaluronic Acid Serum Detailed comparison of COSRX The Hyaluronic Acid 3 Serum versus CeraVe Hydrating Hyaluronic Acid Serum US. This hydrating serum is formulated around Sodium Hyaluronate to hydrate s

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COSRX The Hyaluronic Acid 3 Serum Versus CeraVe Hydrating Hyaluronic Acid Serum Detailed comparison of COSRX The Hyaluronic Acid 3 Serum versus CeraVe Hydrating Hyaluronic Acid Serum US. This hydrating serum is formulated around Sodium Hyaluronate to hydrate skin and strengthen the skin barrier. This hydrating serum is formulated around Sodium Hyaluronate and Ceramide NP to hydrate skin and strengthen the skin barrier. Water Butylene Glycol Propanediol Glycerin Sodium Hyaluronate 3% Pentylene Glycol 1,2-Hexanediol Diethoxyethyl Succinate Sodium Polyacryloyldimethyl Taurate Betaine Xanthan Gum Dimethicone Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Sodium PCA Sodium Lactate PCA Glyceryl Acrylate/Acrylic Acid Copolymer Hydrogenated Lecithin Ethylhexylglycerin Serine Alanine Glycine Sodium Phytate Sorbitan Isostearate Pvm/Ma Copolymer Glutamic Acid Citric Acid Lysine Hcl Threonine Arginine Sodium Methyl Stearoyl Taurate Proline Ceramide NP Cholesterol Caprylic/Capric Triglyceride Phytosphingosine Stearic Acid Oleic Acid Alcohol Tocopherol Lactic Acid Caprylyl Glycol Caprylhydroxamic Acid Water, Butylene Glycol, Propanediol, Glycerin, Sodium Hyaluronate 3%, Pentylene Glycol, 1,2-Hexanediol, Diethoxyethyl Succinate, Sodium Polyacryloyldimethyl Taurate, Betaine, Xanthan Gum, Dimethicone, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Sodium PCA, Sodium Lactate, PCA, Glyceryl Acrylate/Acrylic Acid Copolymer, Hydrogenated Lecithin, Ethylhexylglycerin, Serine, Alanine, Glycine, Sodium Phytate, Sorbitan Isostearate, Pvm/Ma Copolymer, Glutamic Acid, Citric Acid, Lysine Hcl, Threonine, Arginine, Sodium Methyl Stearoyl Taurate, Proline, Ceramide NP, Cholesterol, Caprylic/Capric Triglyceride, Phytosphingosine, Stearic Acid, Oleic Acid, Alcohol, Tocopherol, Lactic Acid, Caprylyl Glycol, Caprylhydroxamic Acid Cetearyl Ethylhexanoate Ammonium Polyacryloyldimethyl Taurate Sodium Hyaluronate Panthenol Ceramide AP Ceramide EOP Carbomer Cetearyl Alcohol Behentrimonium Methosulfate Sodium Hydroxide Sodium Lauroyl Lactylate Phenoxyethanol Disodium EDTA Isopropyl Myristate Water, Glycerin, Cetearyl Ethylhexanoate, Dimethicone, Ammonium Polyacryloyldimethyl Taurate, Sodium Hyaluronate, Panthenol, Ceramide NP, Ceramide AP, Ceramide EOP, Carbomer, Cetearyl Alcohol, Behentrimonium Methosulfate, Sodium Hydroxide, Sodium Lauroyl Lactylate, Cholesterol, Phenoxyethanol, Disodium EDTA, Isopropyl Myristate, Caprylyl Glycol, Citric Acid, Xanthan Gum, Phytosphingosine, Ethylhexylglycerin These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Caprylyl Glycol is a humectant, skin conditioner, emollient, and preservative booster derived from either caprylic acid or synthetically created. Typical use levels vary from 0.3-1% as a preservative booster and go up to 2% to condition skin. Because it is not a free-fatty acid, this ingredient is fungal acne safe (there's nothing for Malassezia to feed on). Ceramide NP (formerly known as Ceramide 3) is one of the skin's naturally occurring lipids. Since ceramides are the major lipid components of the skin, they are crucial for maintaining skin barrier and hydration. Ceramide NP most closely mirrors the dominant kind in human skin amongst ceramide subtypes. This ceramide works by slotting into gaps within the stratum corneum's lipid matrix to limit trans-epidermal water loss (TEWL) and shield the skin against external irritants. A study with 312 patients found that using a ceramide-containing routine for 4 weeks reduced the severity of atopic dermatitis by over 61%. Another clinical study in subjects aged 60 and older found that a ceramide body wash and moisturizer improved skin dryness and itchy skin in 15 days. Overall, ceramides are considered non-irritating and safety tests have found little to no observable adverse effects from using this ingredient. Ceramide NP is usually sourced from plants (like soybean or rice bran), or produced synthetically. Cholesterol is a lipid that is naturally found in human skin and is one of the three key components of your skin barrier. In skincare, it is an emollient and barrier-repairing ingredient. It works by fitting directly into the lipid layers of skin to help restore structure and reduce transepidermal water loss (TEWL). This is a great ingredient for dry, compromised, or aging skin; our skin starts to produce less cholesterol with age. Research shows cholesterol works best in combination with ceramides and fatty acids, the other two major components in your skin barrier. Cholesterol is also a well-establish penetration enhancer and can help other actives absorb more effectively. Cosmetic-grade cholesterol is usually derived from lanolin but plant and synthetic options also exist. We recommend reaching out to the brand if you have questions about their source of cholesterol. 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