Olay Regenerist Vitamin C + Peptide 24 SPF 30 Moisturizer Versus Naturium Dew-Glow Moisturizer SPF 50

Olay Regenerist Vitamin C + Peptide 24 SPF 30 Moisturizer Versus Naturium Dew-Glow Moisturizer SPF 50 Detailed comparison of Olay Regenerist Vitamin C + Peptide 24 SPF 30 Moisturizer versus Naturium Dew-Glow Moisturizer SPF 50. This anti-aging day moisturizer is formulated around Niacinamide and 3-O-Ethyl Ascorbic Acid to soften the look of wrinkles and brighten dull-looking skin. This chemical sunscreen covers most of the UV range, lighter on the deep UVA that drives aging. Butyl Methoxydibenzoylmethane 3% Homosalate 9% Ethylhexyl Salicylate 4.5% Octocrylene 6% Water Glycerin Zea Mays Starch Niacinamide 3-O-Ethyl Ascorbic Acid Palmitoyl Pentapeptide-4 Panthenol Dimethicone Caprylyl Glycol Dimethiconol Cetearyl Glucoside Cetearyl Alcohol Stearic Acid Palmitic Acid Stearyl Alcohol Cetyl Alcohol Behenyl Alcohol Disodium EDTA Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer PEG-100 Stearate 1,2-Hexanediol Phenoxyethanol Parfum Ascorbic Acid Avena Sativa Peptide Butyl Methoxydibenzoylmethane 3%, Homosalate 9%, Ethylhexyl Salicylate 4.5%, Octocrylene 6%, Water, Glycerin, Zea Mays Starch, Niacinamide, 3-O-Ethyl Ascorbic Acid, Palmitoyl Pentapeptide-4, Panthenol, Dimethicone, Caprylyl Glycol, Dimethiconol, Cetearyl Glucoside, Cetearyl Alcohol, Stearic Acid, Palmitic Acid, Stearyl Alcohol, Cetyl Alcohol, Behenyl Alcohol, Disodium EDTA, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, PEG-100 Stearate, 1,2-Hexanediol, Phenoxyethanol, Parfum, Ascorbic Acid, Avena Sativa Peptide Homosalate 10% Ethylhexyl Salicylate 5% Butyloctyl Salicylate C12-15 Alkyl Benzoate Calcium Sodium Borosilicate Glyceryl Stearate Ethylhexyl Methoxycrylene Vp/Eicosene Copolymer Stearyl Dimethicone Argania Spinosa Kernel Oil Tocopheryl Acetate Tocopherol Cetearyl Olivate Bisabolol Sodium Hyaluronate Squalane Ammonium Acryloyldimethyltaurate/Vp Copolymer Hydroxyacetophenone Silica Sodium Stearoyl Glutamate Octadecene Sorbitan Olivate Sorbitan Oleate Caprylyl/Capryl Glucoside Xanthan Gum Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Trisodium Ethylenediamine Disuccinate Polyisobutene Citric Acid Sodium Hydroxide Homosalate 10%, Ethylhexyl Salicylate 5%, Butyl Methoxydibenzoylmethane 3%, Water, Butyloctyl Salicylate, C12-15 Alkyl Benzoate, Calcium Sodium Borosilicate, Glycerin, Glyceryl Stearate, Ethylhexyl Methoxycrylene, Vp/Eicosene Copolymer, Stearyl Dimethicone, Argania Spinosa Kernel Oil, Tocopheryl Acetate, 1,2-Hexanediol, Niacinamide, Tocopherol, Cetearyl Olivate, Bisabolol, 3-O-Ethyl Ascorbic Acid, Sodium Hyaluronate, Squalane, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Hydroxyacetophenone, Silica, Sodium Stearoyl Glutamate, Octadecene, Sorbitan Olivate, Sorbitan Oleate, Caprylyl/Capryl Glucoside, Xanthan Gum, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Trisodium Ethylenediamine Disuccinate, Polyisobutene, Citric Acid, Sodium Hydroxide 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. 1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse. It is a: Humectant, drawing moisture into the skin Emollient, helping to soften skin Solvent, dispersing and stabilizing formulas Preservative booster, enhancing the antimicrobial activity of other preservatives 3-O-Ethyl Ascorbic Acid is one of the most popular "stable" vitamin C derivatives in skincare. Plain ascorbic acid is fantastic but notoriously fragile; it browns, oxidizes, and loses potency fast. So attaching an ethyl group to the third carbon of the molecule gives it some cool perks: In a formula, it does the 3 classic vitamin C jobs: it acts as an antioxidant, helps brighten skin tone by inhibiting tyrosinase, and supports collagen. The evidence is reasonably solid for a cosmetic ingredient; Liao and colleagues (2018) showed it's significantly more stable than ascorbic acid while still being effective. A 2021 study by Zerbinati and colleagues tested a serum with 30% 3-O-ethyl-l-ascorbic acid and 1% lactic acid significantly increased collagen production, reduced UVB-induced DNA damage, and decreased melanin on a reconstructed pigmented skin model. Typical real world usage sits around 0.5-5% (and 1-2% is common for daily serums). Amounts up to 30% have been shown to be non-irritating on human skin samples, but two isolated cases reported allergic contact dermatitis so a patch test is sensible if you have reactive skin. Also known as Avobenzone, this ingredient is an oil-soluble used to absorb the full spectrum of UVA rays (peak 357 nm). It's one of the most effective UVA filters available but has a major caveat of photostability: avobenzone is susceptible to photodegradation. This means it can lose efficacy when exposed to sunlight without the help of a stabilizing agent. Studies show antioxidants (like vitamin E or vitamin C) and some UV filters (like octocrylene and Tinosorb S) can meaningfully improve its stability in a formulation. The maximum allowable concentration according to regulation is 3% in the US + Canada, and 5% in the EU, Australia, China, Korea, and ASEAN countries. It has a well-support safety profile: a comprehensive 2025 review found minimal toxicity with no evidence of carcinogenicity. Overall, avobenzone is a safe and regulated ingredient used in sunscreen for over 40 years. Ethylhexyl Salicylate (also called Octisalate or Octyl Salicylate) is an oil-soluble organic UV filter that's been used in sunscreen since the 1950's. It absorbs UVB light in the 280-320 nm range with a peak absorbance around 306 nm. You'll often see it paired with other UV filters to boost overall SPF because octisalate is a fairly week filter on its own. The reason you'll see it so often is because it can help solubilize and stabilize the trickier filters like oxybenzone and avobenzone. Unlike these filters, octisalate has pretty good