Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

La Roche-Posay Cicaplast Baume B5+ Versus Olay Regenerist Retinol 24 + Peptide Night Moisturizer

La Roche-Posay Cicaplast Baume B5+ Versus Olay Regenerist Retinol 24 + Peptide Night Moisturizer Detailed comparison of La Roche-Posay Cicaplast Baume B5+ International versus Olay Regenerist Retinol 24 + Peptide Night Moisturizer. This barrier-repair moisturi

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La Roche-Posay Cicaplast Baume B5+ Versus Olay Regenerist Retinol 24 + Peptide Night Moisturizer Detailed comparison of La Roche-Posay Cicaplast Baume B5+ International versus Olay Regenerist Retinol 24 + Peptide Night Moisturizer. This barrier-repair moisturizer is formulated around Panthenol and Centella Asiatica Leaf Extract to strengthen the skin barrier and calm redness. This anti-aging night moisturizer is formulated around Retinol and Niacinamide to soften the look of wrinkles and refine skin texture. Water Hydrogenated Polyisobutene Dimethicone Glycerin Butyrospermum Parkii Butter Panthenol Zea Mays Starch Propanediol Butylene Glycol Cetyl PEG/PPG-10/1 Dimethicone Trihydroxystearin Centella Asiatica Leaf Extract Polymnia Sonchifolia Root Juice Zinc Gluconate Madecassoside Manganese Gluconate Alpha-Glucan Oligosaccharide Silica Aluminum Hydroxide Magnesium Sulfate Mannose Capryloyl Glycine Caprylyl Glycol Vitreoscilla Ferment Citric Acid Trisodium Ethylenediamine Disuccinate Lactobacillus Acetylated Glycol Stearate Maltodextrin Polyglyceryl-4 Isostearate Tocopherol Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate Titanium Dioxide Water, Hydrogenated Polyisobutene, Dimethicone, Glycerin, Butyrospermum Parkii Butter, Panthenol, Zea Mays Starch, Propanediol, Butylene Glycol, Cetyl PEG/PPG-10/1 Dimethicone, Trihydroxystearin, Centella Asiatica Leaf Extract, Polymnia Sonchifolia Root Juice, Zinc Gluconate, Madecassoside, Manganese Gluconate, Alpha-Glucan Oligosaccharide, Silica, Aluminum Hydroxide, Magnesium Sulfate, Mannose, Capryloyl Glycine, Caprylyl Glycol, Vitreoscilla Ferment, Citric Acid, Trisodium Ethylenediamine Disuccinate, Lactobacillus, Acetylated Glycol Stearate, Maltodextrin, Polyglyceryl-4 Isostearate, Tocopherol, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Titanium Dioxide Tapioca Starch Dimethicone Crosspolymer Retinol Retinyl Propionate Niacinamide Palmitoyl Pentapeptide-4 Polyacrylamide C13-14 Isoparaffin DMDM Hydantoin Polysorbate 20 Laureth-4 Acrylates/C10-30 Alkyl Acrylate Crosspolymer Laureth-7 Dimethiconol Polymethylsilsesquioxane Aminomethyl Propanol Disodium EDTA Iodopropynyl Butylcarbamate Caprylic/Capric Triglyceride Water, Dimethicone, Glycerin, Tapioca Starch, Dimethicone Crosspolymer, Retinol, Retinyl Propionate, Niacinamide, Palmitoyl Pentapeptide-4, Polyacrylamide, C13-14 Isoparaffin, DMDM Hydantoin, Polysorbate 20, Laureth-4, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Laureth-7, Dimethiconol, Polymethylsilsesquioxane, Aminomethyl Propanol, Titanium Dioxide, Disodium EDTA, Iodopropynyl Butylcarbamate, Caprylic/Capric Triglyceride These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. 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 should be careful about using this ingredient. Note: Dimethicone may contribute to pilling. This is because it is not oil or water soluble, so pilling may occur when layered with products. When mixed with heavy oils in a formula, the outcome is also quite greasy. 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. Titanium Dioxide (TD) is a mineral UV filter widely used in sunscreens and cosmetics. It's one of only two UV filters officially classified as "mineral" by regulatory agencies (the other being Zinc Oxide). A really common myth is that mineral filters work by reflecting UV light off your skin like tiny mirrors. They don't only do that; modern research shows TD protects mostly by absorbing UV radiation, the same way chemical filters do. When researchers measured this, reflection accounted for only about 4-5% of the protection (and less than SPF 2 on its own). The other ~95% comes from absorption: the UV photons hit the particle and their energy gets soaked up by its semiconductor band gap rather than bouncing off. So "reflects vs. absorbs" was never really the right way to split mineral from chemical filters. TD gives broad-spectrum protection that's strongest in the UVB and UVA-2 range and weaker in the UVA-1 range. Its UVA protection isn't quite as strong as Zinc Oxide's which is why you'll often see the two paired together. Together, they make a solid broad-spectrum system. TD is a great pick for sensitive, acne-prone, or redness