Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Versed Press Restart Gentle Retinol Serum Versus The INKEY List Retinol Serum

Versed Press Restart Gentle Retinol Serum Versus The INKEY List Retinol Serum Detailed comparison of Versed Press Restart Gentle Retinol Serum versus The INKEY List Retinol Serum. This anti-aging serum is formulated around Aloe Barbadensis Leaf Juice and Retin

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Versed Press Restart Gentle Retinol Serum Versus The INKEY List Retinol Serum Detailed comparison of Versed Press Restart Gentle Retinol Serum versus The INKEY List Retinol Serum. This anti-aging serum is formulated around Aloe Barbadensis Leaf Juice and Retinol to soften the look of wrinkles and refine skin texture. This anti-aging serum is formulated around Retinyl Acetate and Palmitoyl Tetrapeptide-7 to soften the look of wrinkles and refine skin texture. Water Helianthus Annuus Seed Oil Aloe Barbadensis Leaf Juice Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Silica Retinol Tocopherol Tocopheryl Acetate Bakuchiol Crithmum Maritimum Extract Chamomilla Recutita Extract Melia Azadirachta Flower Extract Melia Azadirachta Leaf Extract Paeonia Lactiflora Root Extract Opuntia Streptacantha Stem Extract Lactobacillus/Papaya Fruit Ferment Extract Butyrospermum Parkii Butter Rosa Canina Seed Oil Hippophae Rhamnoides Seed Oil Hydrogenated Vegetable Oil Sodium Hyaluronate Glycerin Lecithin Caprylyl Glycol Caprylic/Capric Triglyceride Xylitol Anhydroxylitol Xylitylglucoside Trehalose Sorbitan Oleate Polysorbate 20 Polysorbate 80 Hexylene Glycol Isohexadecane Phenoxyethanol Ethylhexylglycerin Sorbic Acid Potassium Sorbate Sodium Benzoate Leuconostoc/Radish Root Ferment Filtrate Citric Acid Water, Helianthus Annuus Seed Oil, Aloe Barbadensis Leaf Juice, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Silica, Retinol, Tocopherol, Tocopheryl Acetate, Bakuchiol, Crithmum Maritimum Extract, Chamomilla Recutita Extract, Melia Azadirachta Flower Extract, Melia Azadirachta Leaf Extract, Paeonia Lactiflora Root Extract, Opuntia Streptacantha Stem Extract, Lactobacillus/Papaya Fruit Ferment Extract, Butyrospermum Parkii Butter, Rosa Canina Seed Oil, Hippophae Rhamnoides Seed Oil, Hydrogenated Vegetable Oil, Sodium Hyaluronate, Glycerin, Lecithin, Caprylyl Glycol, Caprylic/Capric Triglyceride, Xylitol, Anhydroxylitol, Xylitylglucoside, Trehalose, Sorbitan Oleate, Polysorbate 20, Polysorbate 80, Hexylene Glycol, Isohexadecane, Phenoxyethanol, Ethylhexylglycerin, Sorbic Acid, Potassium Sorbate, Sodium Benzoate, Leuconostoc/Radish Root Ferment Filtrate, Citric Acid Butylene Glycol Propanediol Dicaprylyl Carbonate Retinyl Acetate Dimethicone Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Phospholipids Squalane Glycine Soja Oil Carbomer Polysorbate 60 Glycolipids Sodium Hydroxide Sodium Phytate Sorbitan Isostearate Glycine Soja Sterols Tetrahexyldecyl Ascorbate Hyaluronic Acid Sodium Lactate Palmitoyl Tetrapeptide-7 Palmitoyl Tripeptide-1 Water, Glycerin, Butylene Glycol, Propanediol, Dicaprylyl Carbonate, Retinyl Acetate, Dimethicone, Phenoxyethanol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Caprylyl Glycol, Phospholipids, Squalane, Glycine Soja Oil, Carbomer, Polysorbate 60, Tocopheryl Acetate, Glycolipids, Sodium Hydroxide, Sodium Phytate, Sorbitan Isostearate, Glycine Soja Sterols, Tetrahexyldecyl Ascorbate, Leuconostoc/Radish Root Ferment Filtrate, Hyaluronic Acid, Sodium Lactate, Tocopherol, Polysorbate 20, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1 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). 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. Leuconostoc/Radish Root Ferment Filtrate is a natural preservative. It comes from fermenting radish roots with a bacteria called leuconostoc. The trade name for this ingredient is Leucidal. Leuconostoc comes from lactic acid. This ingredient has antimicrobial properties and helps prevent the growth of bacteria in a product. Leuconostoc is used to make the traditional Korean side-dish, kimchi. It is also used to make sourdough bread (both incredibly yummy foods). 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 concentrations range from 0.3-1% depending on the formula, and this ingredient is capped at 1% int the EU. Safety-wise, the fear mongering does not hold up to the evidence. The EU's Scientific Committee on Consumer Safety and FDA consider it safe as a preservative at up to 1%, including for children