Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Nature Republic Real Nature Mask Sheet Versus Mediheal P.D.F AC-Dressing Ampoule Mask

Nature Republic Real Nature Mask Sheet Versus Mediheal P.D.F AC-Dressing Ampoule Mask Detailed comparison of Nature Republic Real Nature Mask Sheet Chamomile versus Mediheal P.D.F AC-Dressing Ampoule Mask. This hydrating sheet mask is formulated around Centell

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Nature Republic Real Nature Mask Sheet Versus Mediheal P.D.F AC-Dressing Ampoule Mask Detailed comparison of Nature Republic Real Nature Mask Sheet Chamomile versus Mediheal P.D.F AC-Dressing Ampoule Mask. This hydrating sheet mask is formulated around Centella Asiatica Extract and Chamomilla Recutita Flower Extract to hydrate skin and calm redness. This acne sheet mask is formulated around Salix Alba Bark Extract and Centella Asiatica Extract to clear breakouts and calm redness. Water Glycerin Dipropylene Glycol Alcohol Hydroxyethylcellulose Butylene Glycol 1,2-Hexanediol Paeonia Suffruticosa Root Extract Centella Asiatica Extract Trehalose PEG-60 Hydrogenated Castor Oil Chamomilla Recutita Flower Extract Anthemis Nobilis Flower Extract Glyceryl Caprylate Arginine Carbomer Ethylhexylglycerin Sodium Hyaluronate Glyceryl Acrylate/Acrylic Acid Copolymer Pvm/Ma Copolymer Camellia Sinensis Leaf Extract Sophora Angustifolia Root Extract Lonicera Japonica Flower Extract Prunus Persica Leaf Extract Paeonia Albiflora Root Extract Ginkgo Biloba Leaf Extract Scutellaria Baicalensis Root Extract Disodium EDTA Parfum Water, Glycerin, Dipropylene Glycol, Alcohol, Hydroxyethylcellulose, Butylene Glycol, 1,2-Hexanediol, Paeonia Suffruticosa Root Extract, Centella Asiatica Extract, Trehalose, PEG-60 Hydrogenated Castor Oil, Chamomilla Recutita Flower Extract, Anthemis Nobilis Flower Extract, Glyceryl Caprylate, Arginine, Carbomer, Ethylhexylglycerin, Sodium Hyaluronate, Glyceryl Acrylate/Acrylic Acid Copolymer, Pvm/Ma Copolymer, Camellia Sinensis Leaf Extract, Sophora Angustifolia Root Extract, Lonicera Japonica Flower Extract, Prunus Persica Leaf Extract, Paeonia Albiflora Root Extract, Ginkgo Biloba Leaf Extract, Scutellaria Baicalensis Root Extract, Disodium EDTA, Parfum Propanediol Salix Alba Bark Extract Portulaca Oleracea Extract Houttuynia Cordata Extract Hydrolyzed Collagen Aloe Barbadensis Leaf Juice Beta-Glucan Xanthan Gum Boswellia Serrata Resin Extract Panthenol Betaine Allantoin Polysorbate 80 Adenosine Dipotassium Glycyrrhizate Tocopheryl Acetate Salicylic Acid Water, Glycerin, Propanediol, 1,2-Hexanediol, Alcohol, Salix Alba Bark Extract, Portulaca Oleracea Extract, Houttuynia Cordata Extract, Centella Asiatica Extract, Chamomilla Recutita Flower Extract, Hydrolyzed Collagen, Aloe Barbadensis Leaf Juice, Beta-Glucan, Xanthan Gum, Butylene Glycol, Boswellia Serrata Resin Extract, Panthenol, Trehalose, Betaine, Carbomer, Allantoin, Polysorbate 80, Arginine, Adenosine, Disodium EDTA, Dipotassium Glycyrrhizate, Tocopheryl Acetate, Salicylic Acid, Ethylhexylglycerin, Parfum 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. 1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse. It is a: Humectant, drawing moisture into the skin Emollient, helping to soften skin Solvent, dispersing and stabilizing formulas Preservative booster, enhancing the antimicrobial activity of other preservatives 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. Arginine is a semi-essential amino acid. This just means our bodies can product a bit on its own, but sometimes needs a little boost from food sources. It is a part of your skin's natural moisturizing factor (NMF), or the water-loving molecules in your outermost layer of skin (stratum corneum) that keeps everything hydrated and happy. Here's an interesting thing about Arginine: your skin converts it into urea through the Krebs-Henseleit urea cycle. Urea is one of the most effective humectants your skin naturally produces. A clinical study showed applying 2.5% arginine hydrochloride to atopic dermatitis skin showed significant urea levels in the stratum corneum and improved moisture in just four weeks. Arginine is also a precursor to nitric oxide; nitric oxide improves microcirculation and supports wound healing and collagen synthesis. One study found that an amino acid complex containing Arginine reduced skin irritation, improved hydration, and accelerated skin repair in clinical / in-vivo studies. Arginine itself is an amino acid and not a fatty acid, oil, or