Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Paula's Choice Calm Redness Relief Cleanser Versus Paula's Choice Hydralight One Step Face Cleanser

Paula's Choice Calm Redness Relief Cleanser Versus Paula's Choice Hydralight One Step Face Cleanser Detailed comparison of Paula's Choice Calm Redness Relief Cleanser Normal to Oily Skin versus Paula's Choice Hydralight One Step Face Cleanser. This mild gel cl

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Paula's Choice Calm Redness Relief Cleanser Versus Paula's Choice Hydralight One Step Face Cleanser Detailed comparison of Paula's Choice Calm Redness Relief Cleanser Normal to Oily Skin versus Paula's Choice Hydralight One Step Face Cleanser. This mild gel cleanser is made to cleanse while calming and soothing your skin. Water Disodium Cocoamphodiacetate Butylene Glycol Coco-Glucoside Glycerin Xanthan Gum Limnanthes Alba Seed Oil PEG-7 Glyceryl Cocoate Arctium Majus Root Water Allantoin Aloe Barbadensis Leaf Juice Powder PEG-120 Methyl Glucose Dioleate Tocopheryl Acetate Tocopherol Calendula Officinalis Flower Extract Isoamyl Laurate Polysorbate 20 Polyglyceryl-10 Laurate Ethylhexylglycerin Tetrasodium EDTA Citric Acid Phenoxyethanol Potassium Sorbate Sodium Benzoate Water, Disodium Cocoamphodiacetate, Butylene Glycol, Coco-Glucoside, Glycerin, Xanthan Gum, Limnanthes Alba Seed Oil, PEG-7 Glyceryl Cocoate, Arctium Majus Root Water, Allantoin, Aloe Barbadensis Leaf Juice Powder, PEG-120 Methyl Glucose Dioleate, Tocopheryl Acetate, Tocopherol, Calendula Officinalis Flower Extract, Isoamyl Laurate, Polysorbate 20, Polyglyceryl-10 Laurate, Ethylhexylglycerin, Tetrasodium EDTA, Citric Acid, Phenoxyethanol, Potassium Sorbate, Sodium Benzoate Sodium Laureth Sulfate Sodium PCA Sodium Lactate Glycine Fructose Urea Niacinamide Inositol Lactic Acid Sodium Hyaluronate Sodium Methyl Cocoyl Taurate Triethanolamine Carbomer Benzophenone-3 Sodium Hydroxymethylglycinate Propylparaben Methylparaben Water, Glycerin, Sodium Laureth Sulfate, Sodium PCA, Sodium Lactate, Glycine, Fructose, Urea, Niacinamide, Inositol, Lactic Acid, Allantoin, Sodium Hyaluronate, PEG-7 Glyceryl Cocoate, Sodium Methyl Cocoyl Taurate, Xanthan Gum, Triethanolamine, Carbomer, Benzophenone-3, Sodium Hydroxymethylglycinate, Propylparaben, Methylparaben, Sodium Benzoate These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Allantoin is a soothing ingredient known for its protective and moisturizing properties; it's basically a quiet workhorse ingredient you can find in a huge range of cosmetics. Though it can be derived from the comfrey plant, allantoin is produced synthetically for cosmetic products to ensure purity. Research shows it can encourage your skin cells to turn over and renew by stimulating keratinocyte and fibroblast proliferation. It also has mild keratolytic properties to help loosen and shed dead skin cells without being harsh. Studies also suggest allantoin can help calm inflammation by dialing down some of the chemical signals your skin sends out when it is irritated. This ingredient is typically used in the 0.1-0.5% range, and the FDA recognizes it as a skin protectant in OTC products up to 2%. Overall, allantoin is a wonderful addition to most routines; it is stable across a wide pH range (~4-8), works well with other ingredients, and is considered non-sensitizing/non-irritating. Fun fact: Allantoin is naturally occurring in comfrey root, beets, chamomile, and wheat sprouts. Our bodies even produce it as a byproduct of uric acid metabolism. 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. PEG-7 Glyceryl Cocoate is a synthetic, water-soluble surfactant and emulsifier. It's a "superfatting" agent that helps replenish some of your skin's oils after they're stripped away by other surfactants. This is why "gentle" and "moisturizing" cleansers feel less stripping than basic ones. Typical concentrations range from 1-10% and it has a solid safety record. The CIR Expert Panel has concluded this ingredient to be safe at concentrations up to 10% in leave-on products. Dermal application tests at 50% also did not produce irritation in two studies. This ingredient may not be fungal acne safe and in vitro studies have shown Malassezia can metabolize it. Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacte