Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Peace Out Retinol Face Stick Versus Paula's Choice 1% Retinol Treatment

Peace Out Retinol Face Stick Versus Paula's Choice 1% Retinol Treatment Detailed comparison of Peace Out Retinol Face Stick versus Paula's Choice 1% Retinol Treatment US. This anti-aging treatment is formulated around Tetrahexyldecyl Ascorbate and Bakuchiol to

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Peace Out Retinol Face Stick Versus Paula's Choice 1% Retinol Treatment Detailed comparison of Peace Out Retinol Face Stick versus Paula's Choice 1% Retinol Treatment US. This anti-aging treatment is formulated around Tetrahexyldecyl Ascorbate and Bakuchiol 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. Squalane Synthetic Wax Diisostearyl Malate Oryza Sativa Bran Wax Rhus Succedanea Fruit Wax Bis-Diglyceryl Polyacyladipate-2 Tetrahexyldecyl Ascorbate Carica Papaya Seed Oil Mica Cucurbita Pepo Seed Extract Cellulose Acetate Butyrate Silica Dimethyl Silylate Bakuchiol Rubus Idaeus Seed Oil Vaccinium Myrtillus Seed Oil Hydrogenated Rice Bran Oil Ethylene/Propylene Copolymer Retinol Astaxanthin Arginine Glutamic Acid Olea Europaea Fruit Oil Caprylyl Glycol Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate Tricaprylin Haematococcus Pluvialis Extract Squalane, Synthetic Wax, Diisostearyl Malate, Oryza Sativa Bran Wax, Rhus Succedanea Fruit Wax, Bis-Diglyceryl Polyacyladipate-2, Tetrahexyldecyl Ascorbate, Carica Papaya Seed Oil, Mica, Cucurbita Pepo Seed Extract, Cellulose Acetate Butyrate, Silica Dimethyl Silylate, Bakuchiol, Rubus Idaeus Seed Oil, Vaccinium Myrtillus Seed Oil, Hydrogenated Rice Bran Oil, Ethylene/Propylene Copolymer, Retinol, Astaxanthin, Arginine, Glutamic Acid, Olea Europaea Fruit Oil, Caprylyl Glycol, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Tricaprylin, Haematococcus Pluvialis Extract 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 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 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 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 Dimethic 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). Retinol is one of the most studied anti-aging ingredients in skincare (and for good reason!). It's a form of vitamin A that your skin converts into Retinoic Acid, the active molecule that actually does the work in your cells. That conversion happens in two steps: your skin first turns Retinol into Retinaldehyde (also called Retinal), then turns Retinaldehyde into Retinoic Acid. Retinol is converted to biologically active retinoic acid via retinaldehyde by dehydrogenases in a two-step oxidation process. Each step is a little "upgrade" toward the active form which is part of why Retinol is gentler than prescription Retinoic Acid; your skin does the work gradually. This also explains where Retinol sits in the retinoid family. Here is the retinoid family ranked roughly by strength: Retinyl Esters (like Retinyl Palmitate) < Retinol < Retinaldehyde < Retinoic Acid. Retinoid activity increases in that order, while tolerance runs in reverse; retinyl esters are the gentlest and retinoic acid the most irritating. The more conversion steps an ingredient needs, the gentler (and slower) it tends to be, so Retinol lands in a nice middle spot. It's more effective than the esters, gentler than prescription options. Once it becomes Retinoic Acid, it binds to receptors inside your cells' nuclei (called RARs and RXRs). These receptor pairs bind to specific DNA motifs called retinoic acid response elements and act like switches that turn certain genes on or off. In practice, this means a few things happen in a formula. It: That last two are worth a closer look. A study that tested Retinol directly (not just prescription Retinoic Acid) found that four weeks of retinol thickened the epidermis and switched on the genes for Collagen I and Collagen III, with more procollagen I and III showing up in the skin. And after twelve weeks, facial wrinkles were visibly reduced. Retinoids more broadly stimulate the skin's synthesis of hyaluronan and other glycosaminoglycans, part of what gives skin a plumper, more hydrated look over time. So even the gentler OTC form is doing real structural work (not just sitting on the surface). It's also worth knowing Retinol isn't only a wrinkle ingredient; it can help with uneven tone, dark spots, rough texture, and the look of pores as well because it speeds up turnover and influences pigment. The research backs this up as well. A pooled analysis of six clinical studies found that 0.1% stabilized retinol improved all signs of photoaging versus vehicle as ear