The Ordinary Niacinamide 10% + Zinc 1% Versus Minimalist Alpha Arbutin 2% Face Serum

The Ordinary Niacinamide 10% + Zinc 1% Versus Minimalist Alpha Arbutin 2% Face Serum Detailed comparison of The Ordinary Niacinamide 10% + Zinc 1% versus Minimalist Alpha Arbutin 2% Face Serum. This oil-control serum is formulated around Niacinamide and Zinc PCA to balance excess oil and refine the look of pores. This brightening serum is formulated around Alpha-Arbutin and Lactic Acid to fade the look of dark spots and brighten dull-looking skin. No concerns Water Niacinamide 10% Pentylene Glycol Zinc PCA 1% Dimethyl Isosorbide Tamarindus Indica Seed Gum Xanthan Gum Isoceteth-20 Ethoxydiglycol Phenoxyethanol Chlorphenesin Water, Niacinamide 10%, Pentylene Glycol, Zinc PCA 1%, Dimethyl Isosorbide, Tamarindus Indica Seed Gum, Xanthan Gum, Isoceteth-20, Ethoxydiglycol, Phenoxyethanol, Chlorphenesin Alpha-Arbutin Lactic Acid Ferulic Acid Sodium Hyaluronate 4-Butylresorcinol Hydroxyethylcellulose Triethanolamine PEG/PPG-17/6 Copolymer Lecithin Sclerotium Gum Pullulan Ethylhexylglycerin Trisodium Ethylenediamine Disuccinate Water, Dimethyl Isosorbide, Ethoxydiglycol, Alpha-Arbutin, Lactic Acid, Pentylene Glycol, Ferulic Acid, Sodium Hyaluronate, 4-Butylresorcinol, Hydroxyethylcellulose, Triethanolamine, PEG/PPG-17/6 Copolymer, Isoceteth-20, Xanthan Gum, Lecithin, Sclerotium Gum, Pullulan, Phenoxyethanol, Ethylhexylglycerin, Trisodium Ethylenediamine Disuccinate 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. Dimethyl Isosorbide (often shortened to DMI) is a sugar-derived solvent made from sorbitol. It's used to dissolve tricky ingredients and help them mix smoothly into a formula. Many actives sit as gritty crystals when undissolved, so DMI swoops in to full dissolve them. This helps improve texture, stability, and how evenly an active is distributed. It does have a penetration-enhancing reputation that is a bit more nuanced than marketing suggests; a cell study on human skin found that 10% DMI didn't significantly boost the permeation of Hydroquinone, Salicylic Acid, or Octadecenedioic Acid compared to controls (though it did improve their solubility in the formula itself). Typical usage concentrations usually range from 1-10% depending on the formula's needs; this ingredient is also well tolerated at these levels. Ethoxydiglycol (aka Diethylene Glycol Monoethyl Ether) is one of the cosmetic world's quiet problem solvers. In a formula, it is a solvent that dissolves tricky ingredients that don't want to mix in and helps spread ingredients evenly across your skin without leaving a greasy or sticky feeling This makes it great for hard-to-dissolve actives like vitamin C, benzoyl peroxide, and self-tanner DHA. It also has mild humectant and penetration enhancer abilities so it can help some actives absorb a little deeper. The penetration boost is backed by lab research: studies using human skin samples found it improved how well an active dissolves into the upper layer of skin rather than tearing down your skin barrier. Reviews of its mechanism also describe it interacting gently with the lipids and water in your outermost layer of skin. Just know this penetration-enhancing effect is not universal. It helps a lot in some formulas and did very little in others (so the benefit really depends on the specific product). Safety-wise, the evidence is reassuring. The Cosmetic Ingredient Review Expert Panel reviewed it and concluded it's safe for use in cosmetics and recognized it as non-irritating, non-sensitizing, and non-comedogenic in skincare. Typical leave-on skincare usage lands around 1-10%. The EU has sets caps of 2.6% in non-spray products, 10% in rinse-offs, 7% in oxidative hair dye, and 5% in non-oxidative hair dye. Isoceteth-20 comes from Isocetyl Alcohol. It is an emulsifier. Emulsifiers help stabilize a product. It does this by preventing certain ingredients from separating. 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 c