CeraVe Hydrating Hyaluronic Acid Serum Versus Ulta Rapidly Renew Daily Serum

CeraVe Hydrating Hyaluronic Acid Serum Versus Ulta Rapidly Renew Daily Serum Detailed comparison of CeraVe Hydrating Hyaluronic Acid Serum US versus Ulta Rapidly Renew Daily Serum. This hydrating serum is formulated around Sodium Hyaluronate and Ceramide NP to hydrate skin and strengthen the skin barrier. This anti-aging serum is formulated around Palmitoyl Tripeptide-1 and Palmitoyl Tetrapeptide-7 to soften the look of wrinkles and refine skin texture. 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 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 Propanediol Methyl Methacrylate Crosspolymer Polysilicone-11 Coco-Caprylate/Caprate Ethyl Macadamiate Cetearyl Isononanoate Aloe Barbadensis Leaf Juice Hydrolyzed Hyaluronic Acid Lavandula Angustifolia Oil Simmondsia Chinensis Seed Oil Sodium PCA Hydrolyzed Collagen Palmitoyl Tripeptide-1 Palmitoyl Tetrapeptide-7 Palmitoyl Tripeptide-5 Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Ceteareth-20 Butylene Glycol Glyceryl Stearate Benzoic Acid Ceteareth-12 Cetyl Palmitate Polysorbate 20 Water, Dimethicone, Propanediol, Glycerin, Methyl Methacrylate Crosspolymer, Polysilicone-11, Coco-Caprylate/Caprate, Ethyl Macadamiate, Cetearyl Isononanoate, Aloe Barbadensis Leaf Juice, Hydrolyzed Hyaluronic Acid, Lavandula Angustifolia Oil, Simmondsia Chinensis Seed Oil, Sodium PCA, Hydrolyzed Collagen, Sodium Hyaluronate, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-5, Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine, Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate, Phenoxyethanol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Ceteareth-20, Cetearyl Alcohol, Butylene Glycol, Glyceryl Stearate, Ethylhexylglycerin, Benzoic Acid, Ceteareth-12, Cetyl Palmitate, Carbomer, Polysorbate 20 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. Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture. Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%. It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier. Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%. A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions. Cetearyl alcohol is a waxy mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is an emollient and emulsifier. Despite having "alcohol" in its name, it has nothing to do with drying solvent alcohols; the FDA also allows "alcohol-free" products to contain fatty alcohols like this ingredient. It plays several roles in a formula: Typical use levels for this ingredient sit around 1-10% and the Cosmetic Ingredient Review Expert Panel has affirmed safety at concentrations up to 25% in leave-on products. Multiple assessments have found it to be non-irritating and non-sensitizing to most people. However, there have been some cases of allergic contact dermatitis in patients with chronically compromised skin barriers. Cetearyl alcohol has a comedogenic rating of 2 and irritancy rating of 1. Both of these numbers come from the 1989 study that used rabbit ears; a "2" means mildly comedogenic and a "1" means low irritancy. Here's the catch: rabbit skin is more sensitive than human skin and throws a lot of false positives. A 1996 reappraisal found that ingredients rated 1-2 in the rabbit ear tests are generally safe for humans. Remember comedogenic ratings are unable to assess the entire formula of a product or how it will react on your skin. Just be sure to patch test if you are unsure about certain ingredients. This ingredient is not fungal acne safe. Cetearyl alcohol is a fatty alcohol with chain lengths that fall within the range that Malassezia can metabolize. A 2019 study has also observed Malassezia growth in the presence of this ingredient, confirming it to be not-fungal acne safe. Dimethicone is a type of synthetic silicone created from natural materials such as quartz. It is also known as polydimethylsiloxane. What it does: Dimethicone comes in different viscosities: Depending on the viscosity, dimethicone has different properties. Ingredients lists don't always show which type is used, so we recommend reaching out to the brand if you have questions about the viscosity. This ingredient is unlikely to cause irritation because it does not get absorbed into skin. However, people with silicone allergies