Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Q + A Seaweed Peptide Eye Gel Versus Q + A Caffeine Eye Serum

Q + A Seaweed Peptide Eye Gel Versus Q + A Caffeine Eye Serum Detailed comparison of Q + A Seaweed Peptide Eye Gel versus Q + A Caffeine Eye Serum. This anti-aging eye moisturizer is formulated around Tripeptide-29 and Fucus Vesiculosus Extract to soften the l

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Q + A Seaweed Peptide Eye Gel Versus Q + A Caffeine Eye Serum Detailed comparison of Q + A Seaweed Peptide Eye Gel versus Q + A Caffeine Eye Serum. This anti-aging eye moisturizer is formulated around Tripeptide-29 and Fucus Vesiculosus Extract to soften the look of wrinkles and hydrate skin. This anti-aging eye moisturizer is formulated around Caffeine and Camellia Sinensis Leaf Extract to soften the look of wrinkles and calm redness. Water Aloe Barbadensis Leaf Juice Glycerin Hamamelis Virginiana Water Tripeptide-29 Fucus Vesiculosus Extract Chondrus Crispus Extract Limonium Vulgare Flower/Leaf/Stem Extract Laminaria Digitata Extract Thymus Serpyllum Extract Sodium Gluconate Carbomer Leuconostoc/Radish Root Ferment Filtrate Potassium Sorbate Phenoxyethanol Caprylyl Glycol Sodium Benzoate Sodium Hydroxide Alcohol Citric Acid Water, Aloe Barbadensis Leaf Juice, Glycerin, Hamamelis Virginiana Water, Tripeptide-29, Fucus Vesiculosus Extract, Chondrus Crispus Extract, Limonium Vulgare Flower/Leaf/Stem Extract, Laminaria Digitata Extract, Thymus Serpyllum Extract, Sodium Gluconate, Carbomer, Leuconostoc/Radish Root Ferment Filtrate, Potassium Sorbate, Phenoxyethanol, Caprylyl Glycol, Sodium Benzoate, Sodium Hydroxide, Alcohol, Citric Acid Propylene Glycol Betaine Pentylene Glycol Caffeine Cucumis Sativus Fruit Water Collagen Biosaccharide Gum-1 Camellia Sinensis Leaf Extract Punica Granatum Extract Lonicera Caprifolium Flower Extract Lonicera Japonica Flower Extract Lactobacillus Ferment Filtrate Sodium Phytate Lactobacillus Ferment Xanthan Gum Sodium Levulinate Glyceryl Caprylate Sodium Anisate Lactic Acid Water, Propylene Glycol, Betaine, Pentylene Glycol, Caffeine, Cucumis Sativus Fruit Water, Collagen, Biosaccharide Gum-1, Camellia Sinensis Leaf Extract, Punica Granatum Extract, Lonicera Caprifolium Flower Extract, Lonicera Japonica Flower Extract, Lactobacillus Ferment Filtrate, Leuconostoc/Radish Root Ferment Filtrate, Sodium Phytate, Glycerin, Lactobacillus Ferment, Xanthan Gum, Alcohol, Sodium Levulinate, Glyceryl Caprylate, Sodium Anisate, Lactic Acid These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. This ingredient is also called ethanol or ethyl alcohol. It is denatured, meaning made undrinkable for cosmetic use. In formulas, it: Is it bad for your skin? The answer comes down to concentration. Patch and wash studies have found highly concentrated alcohol-based hand rubs (60-100%) cause less barrier disruption than washing with a basic detergent like SLS. The only measurable effect in these studies was a temporary dip in skin hydration. Concentrations below 12-15% in leave-on cosmetics is generally well-tolerated. Concentrations above start to see increased transepidermal water loss (TEWL) and reduced hydration. In concentrations about 58%, it creates temporary channels in your skin's lipid layers to become more permeable and allow other ingredients to slip through easily. This ingredient can be up to 80% of the formula in alcohol-based perfumes. Overall, this ingredient is probably harmless if found lower down an ingredients list but worth side-eyeing if it's high up (especially if your barrier is already struggling). Alcohol can worsen dry skin, eczema, and oily skin, especially at higher concentrations. This is because it can increase transepidermal water loss and decrease hydration to disrupt the skin barrier. According to the National Rosacea Society based in the US, you should be mindful of products with these alcohols in the top half of ingredients. True allergic contact dermatitis to ethanol is uncommon, but be sure to patch test if you have dry or sensitive skin. 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 (bot