Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Advanced Clinicals Vitamin C Anti Aging Serum Versus PrescriptSkin Vitamin C Lifting Serum, Enhanced Brightening Gel Serum

Advanced Clinicals Vitamin C Anti Aging Serum Versus PrescriptSkin Vitamin C Lifting Serum, Enhanced Brightening Gel Serum Detailed comparison of Advanced Clinicals Vitamin C Anti Aging Serum versus PrescriptSkin Vitamin C Lifting Serum, Enhanced Brightening G

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Advanced Clinicals Vitamin C Anti Aging Serum Versus PrescriptSkin Vitamin C Lifting Serum, Enhanced Brightening Gel Serum Detailed comparison of Advanced Clinicals Vitamin C Anti Aging Serum versus PrescriptSkin Vitamin C Lifting Serum, Enhanced Brightening Gel Serum. This anti-aging serum is formulated around Aminopropyl Ascorbyl Phosphate and Ferulic Acid to soften the look of wrinkles and brighten dull-looking skin. This brightening serum is formulated around Ascorbic Acid and Glycolic Acid to brighten dull-looking skin and soften the look of wrinkles. Water PEG-12 Dimethicone Aminopropyl Ascorbyl Phosphate Ferulic Acid Lactic Acid Glycolic Acid Glycerin Palmitoyl Tripeptide-1 Palmitoyl Tetrapeptide-7 Aloe Barbadensis Leaf Juice Powder Tocopherol Helianthus Annuus Extract Oryza Sativa Bran Extract Rosmarinus Officinalis Leaf Extract Butylene Glycol Xanthan Gum Phenoxyethanol Caprylyl Glycol Hexylene Glycol Ethylhexylglycerin Tetrasodium Glutamate Diacetate Parfum Sodium Hydroxide Vanillin Malonic Acid Carbomer Sodium Lactate Polysorbate 20 Limonene Linalool Citronellol Water, PEG-12 Dimethicone, Aminopropyl Ascorbyl Phosphate, Ferulic Acid, Lactic Acid, Glycolic Acid, Glycerin, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Aloe Barbadensis Leaf Juice Powder, Tocopherol, Helianthus Annuus Extract, Oryza Sativa Bran Extract, Rosmarinus Officinalis Leaf Extract, Butylene Glycol, Xanthan Gum, Phenoxyethanol, Caprylyl Glycol, Hexylene Glycol, Ethylhexylglycerin, Tetrasodium Glutamate Diacetate, Parfum, Sodium Hydroxide, Vanillin, Malonic Acid, Carbomer, Sodium Lactate, Polysorbate 20, Limonene, Linalool, Citronellol Sodium PCA Hydrolyzed Collagen Hydrolyzed Elastin Ascorbic Acid Aloe Barbadensis Leaf Juice Citric Acid Aesculus Hippocastanum Seed Extract Hydroxyethylcellulose Prunus Armeniaca Fruit Extract Rosa Centifolia Flower Extract Tocopheryl Acetate Disodium EDTA Retinyl Palmitate Malic Acid Gluconic Acid Salicylic Acid Tartaric Acid Citral Benzyl Alcohol Water, Glycerin, Sodium PCA, Hydrolyzed Collagen, Hydrolyzed Elastin, Ascorbic Acid, Polysorbate 20, Sodium Hydroxide, Carbomer, Aloe Barbadensis Leaf Juice, Tocopherol, Citric Acid, Aesculus Hippocastanum Seed Extract, Hydroxyethylcellulose, Prunus Armeniaca Fruit Extract, Rosa Centifolia Flower Extract, Rosmarinus Officinalis Leaf Extract, Tocopheryl Acetate, Disodium EDTA, Retinyl Palmitate, Lactic Acid, Malic Acid, Gluconic Acid, Glycolic Acid, Salicylic Acid, Tartaric Acid, Ethylhexylglycerin, Citral, Limonene, Parfum, Benzyl Alcohol These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture. Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%. It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier. Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%. A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions. Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that: The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure. Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations. 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. Glycolic Acid is arguably the most famous alpha hydroxy acid (AHA) with tons of research backing its benefits. It is found naturally in sugar cane but the form used in skincare is usually synthetic for purity and stability. Glycolic acid removes the top layer of dead skin cells to allow newer and fresher ones to emerge. AHAs work by breaking down the structural “glue” that holds old skin cells in place. When that buildup is gone, your skin can renew itself more efficiently. Research also shows glycolic acid stimulates collagen production, helping to firm and thicken the skin over time. This is one of its biggest advantages over other AHAs. Overall, glycolic acid helps with: Fun fact: Glycolic acid boosts skin hydration by helping it produce molecules that in