Kiehl's Micro-Dose Anti-Aging Retinol Serum with Ceramides and Peptide Versus Endocare Renewal Retinol Serum - 0.2% Pure Retinol

Kiehl's Micro-Dose Anti-Aging Retinol Serum with Ceramides and Peptide Versus Endocare Renewal Retinol Serum - 0.2% Pure Retinol Detailed comparison of Kiehl's Micro-Dose Anti-Aging Retinol Serum with Ceramides and Peptide versus Endocare Renewal Retinol Serum - 0.2% Pure Retinol. This anti-aging serum is formulated around Niacinamide and Ceramide NP to soften the look of wrinkles and refine skin texture. This anti-aging serum is formulated around Niacinamide and Retinol to soften the look of wrinkles and refine skin texture. Water Glycerin Butylene Glycol Pentylene Glycol Niacinamide Cetyl Alcohol Isohexadecane Isononyl Isononanoate Diisopropyl Sebacate 2-Oleamido-1,3-Octadecanediol 4-T-Butylcyclohexanol Acetyl Dipeptide-1 Cetyl Ester Adenosine Ceramide NP Hydroxypalmitoyl Sphinganine Lauroyl Lysine Octyldodecanol Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate Sodium Chloride Sodium Hyaluronate Sodium Hydroxide Trisodium Ethylenediamine Disuccinate Retinol Tocopherol Dicaprylyl Ether Ammonium Polyacryloyldimethyl Taurate Behenyl Alcohol Caprylyl Glycol Carbomer Cetearyl Alcohol Cetearyl Glucoside Glycine Soja Oil Helianthus Annuus Seed Oil Hydroxyethylcellulose Lecithin Phenethyl Alcohol Poloxamer 188 Polycaprolactone Sorbitan Laurate Steareth-100 CI 40800 Chlorphenesin Phenoxyethanol Water, Glycerin, Butylene Glycol, Pentylene Glycol, Niacinamide, Cetyl Alcohol, Isohexadecane, Isononyl Isononanoate, Diisopropyl Sebacate, 2-Oleamido-1,3-Octadecanediol, 4-T-Butylcyclohexanol, Acetyl Dipeptide-1 Cetyl Ester, Adenosine, Ceramide NP, Hydroxypalmitoyl Sphinganine, Lauroyl Lysine, Octyldodecanol, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Sodium Chloride, Sodium Hyaluronate, Sodium Hydroxide, Trisodium Ethylenediamine Disuccinate, Retinol, Tocopherol, Dicaprylyl Ether, Ammonium Polyacryloyldimethyl Taurate, Behenyl Alcohol, Caprylyl Glycol, Carbomer, Cetearyl Alcohol, Cetearyl Glucoside, Glycine Soja Oil, Helianthus Annuus Seed Oil, Hydroxyethylcellulose, Lecithin, Phenethyl Alcohol, Poloxamer 188, Polycaprolactone, Sorbitan Laurate, Steareth-100, CI 40800, Chlorphenesin, Phenoxyethanol Cyclopentasiloxane Caprylyl Methicone C12-15 Alkyl Benzoate Undecane Dimethicone/Vinyl Dimethicone Crosspolymer Dimethyl Isosorbide Trisiloxane PEG-7 Glyceryl Cocoate Tridecane Sodium Hyaluronate Crosspolymer PEG-12 Dimethicone/PPG-20 Crosspolymer Bisabolol Hydroxypinacolone Retinoate Ascorbic Acid Tocopheryl Acetate Silica Silylate Zea Mays Starch Tetrahexyldecyl Ascorbate Methyl Methacrylate/Glycol Dimethacrylate Crosspolymer Phenylpropanol Polysorbate 20 Propanediol Silica Dimethicone Propyl Gallate Disodium EDTA BHT Cyclopentasiloxane, Caprylyl Methicone, C12-15 Alkyl Benzoate, Undecane, Dimethicone/Vinyl Dimethicone Crosspolymer, Dimethyl Isosorbide, Pentylene Glycol, Trisiloxane, PEG-7 Glyceryl Cocoate, Niacinamide, Tridecane, Sodium Hyaluronate Crosspolymer, PEG-12 Dimethicone/PPG-20 Crosspolymer, Bisabolol, Retinol, Hydroxypinacolone Retinoate, Ascorbic Acid, Tocopheryl Acetate, Silica Silylate, Zea Mays Starch, Tetrahexyldecyl Ascorbate, Methyl Methacrylate/Glycol Dimethacrylate Crosspolymer, Phenylpropanol, Polysorbate 20, Caprylyl Glycol, Propanediol, Silica, Dimethicone, Propyl Gallate, Disodium EDTA, BHT, Tocopherol 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. 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). Niacinamide is a multitasking form of vitamin B3 that strengthens the skin barrier, reduces pores and dark spots, regulates oil, and improves signs of aging. And the best part? It's gentle and well-tolerated by most skin types, including sensitive and reactive skin. You might have heard of "niacin flush", or the reddening of skin that causes itchiness. Niacinamide has not been found to cause this. In very rare cases, some individuals may not be able to tolerate niacinamide at all or experience an allergic reaction to it. If you are experiencing flaking, irritation, and dryness with this ingredient, be sure to double check all your products as this ingredient can be found in all categories of skincare. When incorporating niacinamide into your routine, look out for concentration amounts. Typically, 5% niacinamide provides benefits such as fading dark spots. However, if you have sensitive skin, it is better to begin with a smaller concentration. When you apply niacinamide to your skin, your body converts it into nicotinamide adenine dinucleotide (NAD). NAD is an essential coenzyme that is already found in your cells as "fuel" and powers countless biological processes. In your skin, NAD helps repair cell damage, produce new healthy cells, support collagen production, strengthen the skin barrier, and fight environmental stressors (like UV and pollution). Our natural NAD levels start to decline with age, leading to slower skin repair, visible aging, and a weaker skin barrier. By providing your skin niacinamide, you're recharging your skin's NAD levels. This leads to stronger, healthier, and younger looking skin. Another name for vitamin B3 is nicotinamide. This vitamin is water-soluble and our bodies don't store it. We obtain Vitamin B3 from either food or skincare. Meat, fish, wheat, yeast, and leafy greens contain vitamin B3. The type of niacinamide used in skincare is synthetically created. Pentylene Glycol (1,2-pentanediol) is a multitasking little diol with three main roles in a formula: Research on alkanediols (the family pentylene glycol belongs to) show they work by disrupting microbial cell membranes. This disruption helps the primary preservative system in a product work more effectively at lower doses. On the safety side, the Cosmetic Ingredient Review Expert Panel has concluded this ingredient to be safe as used in current cosmetic practices + concentrations. Typical use levels in a formula run about 1-5%. Retinol is one of the most studied anti-aging ingre