No7 Advanced Retinol 1.5% Complex Night Concentrate Versus Paula's Choice 1% Retinol Treatment

No7 Advanced Retinol 1.5% Complex Night Concentrate Versus Paula's Choice 1% Retinol Treatment Detailed comparison of No7 Advanced Retinol 1.5% Complex Night Concentrate versus Paula's Choice 1% Retinol Treatment US. This anti-aging serum is formulated around Retinol and Palmitoyl Tripeptide-1 to soften the look of wrinkles and refine skin texture. This anti-aging treatment is formulated around Retinol and Tetrahexyldecyl Ascorbate to soften the look of wrinkles and refine skin texture. Water Glycerin Butylene Glycol Dimethicone Caprylic/Capric Triglyceride C12-15 Alkyl Benzoate Phenoxyethanol Polysorbate 20 Xanthan Gum Acrylates/C10-30 Alkyl Acrylate Crosspolymer Dimethiconol Retinol Bisabolol Inulin Lauryl Carbamate Caprylyl Glycol Sorbitan Laurate Potassium Hydroxide Ethylhexylglycerin Carbomer Tetrasodium EDTA Behentrimonium Chloride Sucrose Laurate Hydroxyethylcellulose Acetyl Dipeptide-1 Cetyl Ester Benzoic Acid Palmitoyl Tripeptide-1 Palmitoyl Tetrapeptide-7 Water, Glycerin, Butylene Glycol, Dimethicone, Caprylic/Capric Triglyceride, C12-15 Alkyl Benzoate, Phenoxyethanol, Polysorbate 20, Xanthan Gum, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Dimethiconol, Retinol, Bisabolol, Inulin Lauryl Carbamate, Caprylyl Glycol, Sorbitan Laurate, Potassium Hydroxide, Ethylhexylglycerin, Carbomer, Tetrasodium EDTA, Behentrimonium Chloride, Sucrose Laurate, Hydroxyethylcellulose, Acetyl Dipeptide-1 Cetyl Ester, Benzoic Acid, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7 Isononyl Isononanoate Castor Isostearate Succinate Glyceryl Stearate Dimethicone Crosspolymer PEG-33 Behenyl Alcohol PEG-100 Stearate Pentaerythrityl Tetraisostearate Polymethylsilsesquioxane Tetrahexyldecyl Ascorbate Ceramide Ng Palmitoyl Hexapeptide-12 Sodium Hyaluronate Dipotassium Glycyrrhizate Glycyrrhiza Glabra Root Extract Avena Sativa Kernel Extract Arctium Lappa Seed Oil Salix Alba Extract Glycine Soja Sterols Lecithin Allantoin Tocopheryl Acetate Hydrolyzed Soy Protein Disodium EDTA Sodium Hydroxide Tribehenin Pentylene Glycol PEG-75 Shea Butter Glycerides PPG-12/Smdi Copolymer PEG-10 Phytosterol PEG-8 Dimethicone PEG-14 Magnesium Aluminum Silicate Arachidyl Glucoside Arachidyl Alcohol Sclerotium Gum Water, Dimethicone, Glycerin, Butylene Glycol, Isononyl Isononanoate, Castor Isostearate Succinate, Glyceryl Stearate, C12-15 Alkyl Benzoate, Dimethicone Crosspolymer, PEG-33, Polysorbate 20, Behenyl Alcohol, PEG-100 Stearate, Pentaerythrityl Tetraisostearate, Polymethylsilsesquioxane, Tetrahexyldecyl Ascorbate, Retinol, Ceramide Ng, Palmitoyl Tetrapeptide-7, Palmitoyl Hexapeptide-12, Sodium Hyaluronate, Dipotassium Glycyrrhizate, Glycyrrhiza Glabra Root Extract, Avena Sativa Kernel Extract, Arctium Lappa Seed Oil, Salix Alba Extract, Glycine Soja Sterols, Lecithin, Allantoin, Tocopheryl Acetate, Hydrolyzed Soy Protein, Sorbitan Laurate, Acetyl Dipeptide-1 Cetyl Ester, Disodium EDTA, Hydroxyethylcellulose, Palmitoyl Tripeptide-1, Sodium Hydroxide, Tribehenin, Caprylyl Glycol, Ethylhexylglycerin, Pentylene Glycol, PEG-75 Shea Butter Glycerides, PPG-12/Smdi Copolymer, PEG-10 Phytosterol, PEG-8 Dimethicone, PEG-14, Magnesium Aluminum Silicate, Arachidyl Glucoside, Arachidyl Alcohol, Sclerotium Gum, Carbomer, Phenoxyethanol, Benzoic Acid These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Acetyl Dipeptide-1 Cetyl Ester is a peptide composed of amino acids arginine and tyrosine. This peptide is considered a neurotransmitter peptide, meaning it has pain-relieving and relaxing properties. It has the ability to calm skin irritation from external factors such as chemical stinging or heat. Neurotransmitter peptides are also often called "botox in a bottle". This is because these peptides have the ability to relax the muscles. Though relaxing the muscles can prevent expression lines (as we have seen in botox), the studies do not show these peptides to be a botox replacement. The effects of this muscle relaxation is also short-term, as opposed to longer-term results from botox. Benzoic Acid is an organic acid that shows up in cosmetics as a preservative. It helps keep a product from spoiling by holding back the growth of yeast, mold, and some bacteria. This ingredient also functions as a fragrance ingredient that helps mask the unpleasant scent of other ingredients. The way it works is worth understanding; benzoic acid works when the formula is acidic. It is able to sneak into a microbe's cell and mess up how it functions to stop it from growing in an acidic product. However, the acid switches to an inactive form and stops working if a product isn't acidic enough (above ~5 pH). This is why you'll often see it in low pH products or teamed up with other preservatives to cover the gap. Safety wise, it's one of the better studied preservatives out there. The Cosmetic Ingredient Review Expert Panel has concluded this ingredient to be safe for use in cosmetic formulations at concentrations up to 5%. A large international review found this ingredient had no effects on the human body and had low irritation potential. Just so you know, real world use is usually much lower than the 5% ceiling (usually 1% of less). The EU caps it at 2.5% in rinse-off products, 1.7% in oral care, and 0.5% in leave-on products. One thing worth mentioning (it's nothing to worry about): some people get a little stinging or flushing where they apply it. This isn't a true allergy; it's a temporary and harmless reaction. This is the same kind of mild tingle you might notice from sorbic acid. Butylene Glycol (or BG) is used within cosmetic products for a few different reasons: Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients. Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness. C12-15 Alkyl Benzoate is a lightweight emollient made by combinig benzoic acid with fatty alcohols that are 12-15 carbons long. In cosmetics, it plays several roles: The Cosmetic Review Expert Panel has concluded the alkyl benzoate group to be safe as used in cosmetics; it wasn't found to be a skin irri