Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

CeraVe Skin Renewing Nightly Exfoliating Treatment Versus Paula's Choice Skin Perfecting 6% Mandelic Acid + 2% Lactic Acid Liquid Exfoliant

CeraVe Skin Renewing Nightly Exfoliating Treatment Versus Paula's Choice Skin Perfecting 6% Mandelic Acid + 2% Lactic Acid Liquid Exfoliant Detailed comparison of CeraVe Skin Renewing Nightly Exfoliating Treatment versus Paula's Choice Skin Perfecting 6% Mande

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CeraVe Skin Renewing Nightly Exfoliating Treatment Versus Paula's Choice Skin Perfecting 6% Mandelic Acid + 2% Lactic Acid Liquid Exfoliant Detailed comparison of CeraVe Skin Renewing Nightly Exfoliating Treatment versus Paula's Choice Skin Perfecting 6% Mandelic Acid + 2% Lactic Acid Liquid Exfoliant. This smoothing treatment is formulated around Glycolic Acid and Lactic Acid to refine skin texture and brighten dull-looking skin. This smoothing exfoliator is formulated around Mandelic Acid and Lactic Acid to refine skin texture and brighten dull-looking skin. Water Glycerin Cetearyl Ethylhexanoate Cetearyl Alcohol Dimethicone Glycolic Acid Lactic Acid Sodium Hydroxide Dipotassium Glycyrrhizate Polyacrylate Crosspolymer-6 Ceramide NP Ceramide AP Ceramide EOP Carbomer Cetearyl Glucoside Behentrimonium Methosulfate Triethyl Citrate Sodium Hyaluronate Sodium Lauroyl Lactylate Cholesterol Phenoxyethanol Phenylethyl Resorcinol Isopropyl Myristate Caprylyl Glycol Citric Acid Trisodium Ethylenediamine Disuccinate Xanthan Gum Phytosphingosine Benzoic Acid Water, Glycerin, Cetearyl Ethylhexanoate, Cetearyl Alcohol, Dimethicone, Glycolic Acid, Lactic Acid, Sodium Hydroxide, Dipotassium Glycyrrhizate, Polyacrylate Crosspolymer-6, Ceramide NP, Ceramide AP, Ceramide EOP, Carbomer, Cetearyl Glucoside, Behentrimonium Methosulfate, Triethyl Citrate, Sodium Hyaluronate, Sodium Lauroyl Lactylate, Cholesterol, Phenoxyethanol, Phenylethyl Resorcinol, Isopropyl Myristate, Caprylyl Glycol, Citric Acid, Trisodium Ethylenediamine Disuccinate, Xanthan Gum, Phytosphingosine, Benzoic Acid 2,3-Butanediol Mandelic Acid Myrica Cerifera Fruit Extract Akebia Quinata Stem Extract Prunus Lannesiana Flower Extract Lactobacillus Ferment Lysate Saccharomyces Lysate Achillea Millefolium Extract Saccharide Isomerate Arginine Hydroxyacetophenone Butylene Glycol Sodium Phytate Pentylene Glycol Sodium Citrate 1,2-Hexanediol Sodium Benzoate Water, 2,3-Butanediol, Mandelic Acid, Lactic Acid, Sodium Hydroxide, Myrica Cerifera Fruit Extract, Akebia Quinata Stem Extract, Prunus Lannesiana Flower Extract, Lactobacillus Ferment Lysate, Saccharomyces Lysate, Achillea Millefolium Extract, Saccharide Isomerate, Arginine, Hydroxyacetophenone, Butylene Glycol, Sodium Phytate, Pentylene Glycol, Xanthan Gum, Citric Acid, Sodium Citrate, 1,2-Hexanediol, Caprylyl Glycol, Sodium Benzoate 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). 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. Lactic Acid is another well-loved alpha hydroxy acid (AHA). It is gentler than glycolic acid but still highly effective. Its main role is to exfoliate the surface of the skin by loosening the “glue” that holds dead skin cells together. Shedding those old cells leads to smoother, softer, and more even-toned skin. Because lactic acid molecules are larger than glycolic acid, they don’t penetrate as deeply. This means they’re less likely to sting or irritate, making it a great choice for beginners or those with sensitive skin. Like glycolic acid, it can: Lactic acid also acts as a humectant (like hyaluronic acid). It can draw water into the skin to improve hydration and also plays a role in the skin's natural moisturizing factor (NMF) in the form of sodium lactate. Studies show it can boost ceramide production to strengthen the skin barrier and even help balance the skin’s microbiome. To get results, choose products with a pH between 3-4. Lower strengths (5-12%) focus on surface exfoliation; higher strengths (12% and up) c