Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

The Ordinary Salicylic Acid 2% Solution Versus Paula's Choice Clear Pore Normalizing Cleanser

The Ordinary Salicylic Acid 2% Solution Versus Paula's Choice Clear Pore Normalizing Cleanser Detailed comparison of The Ordinary Salicylic Acid 2% Solution versus Paula's Choice Clear Pore Normalizing Cleanser. This acne exfoliator is formulated around Salicy

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The Ordinary Salicylic Acid 2% Solution Versus Paula's Choice Clear Pore Normalizing Cleanser Detailed comparison of The Ordinary Salicylic Acid 2% Solution versus Paula's Choice Clear Pore Normalizing Cleanser. This acne exfoliator is formulated around Salicylic Acid to clear breakouts and refine the look of pores. This salicylic acid gel cleanser is formulated around Salicylic Acid to clear breakouts and unclog pores. Salicylic Acid 2% Cocamidopropyl Dimethylamine Chlorphenesin Citric Acid Hydroxyethylcellulose Phenoxyethanol Polysorbate 20 Saccharide Isomerate Sodium Citrate Sodium Hydroxide Water Salicylic Acid 2%, Cocamidopropyl Dimethylamine, Chlorphenesin, Citric Acid, Hydroxyethylcellulose, Phenoxyethanol, Polysorbate 20, Saccharide Isomerate, Sodium Citrate, Sodium Hydroxide, Water Salicylic Acid Sodium Lauroyl Sarcosinate Acrylates/Steareth-20 Methacrylate Copolymer Glycerin PEG-200 Hydrogenated Glyceryl Palmate Sodium Laureth Sulfate Arginine Butylene Glycol PEG-7 Glyceryl Cocoate Panthenol Disodium EDTA PEG-60 Hydrogenated Castor Oil Caprylyl Glycol Salicylic Acid, Water, Sodium Lauroyl Sarcosinate, Acrylates/Steareth-20 Methacrylate Copolymer, Glycerin, PEG-200 Hydrogenated Glyceryl Palmate, Sodium Laureth Sulfate, Arginine, Butylene Glycol, PEG-7 Glyceryl Cocoate, Panthenol, Disodium EDTA, Citric Acid, PEG-60 Hydrogenated Castor Oil, Sodium Citrate, Phenoxyethanol, Caprylyl Glycol, Chlorphenesin These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Chlorphenesin is a synthetic preservative. It helps protect a product against bacteria in order to extend shelf life. In most cases, Chlorphenesin is paired with other preservatives such as phenoxyethanol and caprylyl glycol. Chlorphenesin is a biocide. This means it is able to help fight the microorganisms on our skin. It is also able to fight odor-releasing bacteria. Chlorphenesin is soluble in both water and glycerin. Studies show Chlorphenesin is easily absorbed by our skin. You should speak with a skincare professional if you have concerns about using Chlorphenesin. Citric Acid is an alpha hydroxy acid (AHA) naturally found in citrus fruits like oranges, lemons, and limes. Like other AHAs, citric acid can exfoliate skin by breaking down the bonds that hold dead skin cells together. This helps reveal smoother and brighter skin underneath. However, this exfoliating effect only happens at high concentrations (20%) which can be hard to find in cosmetic products. Due to this, citric acid is usually included in small amounts as a pH adjuster. This helps keep products slightly more acidic and compatible with skin's natural pH. In skincare formulas, citric acid can: While it can provide some skin benefits, research shows lactic acid and glycolic acid are generally more effective and less irritating exfoliants. Most citric acid used in skincare today is made by fermenting sugars (usually from molasses). This synthetic version is identical to the natural citrus form but easier to stabilize and use in formulations. Rosacea skin has a lower threshold for acids generally, with 62.5% of rosacea subjects in one study reacting to lactic acid in a sting test. This is why we mark citric acid as a potential rosacea trigger. However, this ingredient shows up as a pH adjuster or chelator at roughly 0.1-1% in many products. These low levels are unlikely to be an issue for rosacea skin and becomes a potential trigger at exfoliating concentrations (20%). Because everybody's skin is unique, we recommend a patch test if you are unsure. Phenoxyethanol is one of the most widely used preservatives in skincare (and for good reason!). It has a large spectrum of antimicrobial activity and especially effective bacteria, yeast, and mold while only having a weak effect on your skin's natural microbiome. On a cellular level, it disrupts the cell membranes of microbes by poking holes that make the cell leak. This shuts down the chemical reactions the microbe needs to make energy so it can no longer survive. Another perk of this ingredient is that it stays functional across a wide pH range (3-10). You'll often see it paired with boosters like Ethylhexylglycerin; one study showed that a 1:9 ratio of Ethylhexylglycerin to Phenoxyethanol damages bacterial membranes as effectively as doubling the Phenoxyethanol concentration on its own. Typical use conc