Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

iUNIK Black Snail Restore Serum Versus COSRX BHA Blackhead Power Liquid

iUNIK Black Snail Restore Serum Versus COSRX BHA Blackhead Power Liquid Detailed comparison of iUNIK Black Snail Restore Serum versus COSRX BHA Blackhead Power Liquid. This barrier-repair serum is formulated around Centella Asiatica Leaf Water and Niacinamide

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iUNIK Black Snail Restore Serum Versus COSRX BHA Blackhead Power Liquid Detailed comparison of iUNIK Black Snail Restore Serum versus COSRX BHA Blackhead Power Liquid. This barrier-repair serum is formulated around Centella Asiatica Leaf Water and Niacinamide to strengthen the skin barrier and calm redness. This pore-care exfoliator is formulated around Salix Alba Bark Water and Betaine Salicylate to refine the look of pores and clear breakouts. No concerns Water Centella Asiatica Leaf Water Glycerin 1,2-Hexanediol Butylene Glycol Niacinamide Glycereth-26 Snail Extract Scutellaria Baicalensis Root Extract Polygonum Cuspidatum Root Extract Oryza Sativa Extract Coffea Arabica Seed Extract Laminaria Japonica Extract Sesamum Indicum Seed Extract Solanum Melongena Fruit Extract Dipotassium Glycyrrhizate Camellia Sinensis Leaf Extract Cynanchum Atratum Extract Chamomilla Recutita Flower Extract Rosmarinus Officinalis Leaf Extract Centella Asiatica Extract Arginine Carbomer Adenosine Ethylhexylglycerin Sodium Polyacrylate Xanthan Gum Sodium Hyaluronate Pentylene Glycol Caprylyl Glycol Water, Centella Asiatica Leaf Water, Glycerin, 1,2-Hexanediol, Butylene Glycol, Niacinamide, Glycereth-26, Snail Extract, Scutellaria Baicalensis Root Extract, Polygonum Cuspidatum Root Extract, Oryza Sativa Extract, Coffea Arabica Seed Extract, Laminaria Japonica Extract, Sesamum Indicum Seed Extract, Solanum Melongena Fruit Extract, Dipotassium Glycyrrhizate, Camellia Sinensis Leaf Extract, Cynanchum Atratum Extract, Chamomilla Recutita Flower Extract, Rosmarinus Officinalis Leaf Extract, Centella Asiatica Extract, Arginine, Carbomer, Adenosine, Ethylhexylglycerin, Sodium Polyacrylate, Xanthan Gum, Sodium Hyaluronate, Pentylene Glycol, Caprylyl Glycol Salix Alba Bark Water Betaine Salicylate Panthenol Ethyl Hexanediol Salix Alba Bark Water, Butylene Glycol, Betaine Salicylate, Niacinamide, 1,2-Hexanediol, Arginine, Panthenol, Sodium Hyaluronate, Xanthan Gum, Ethyl Hexanediol 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 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 ester. On its own, it's not a direct food source for Malassezia, or the yeast that causes fungal acne. Butylene Glycol (or BG) is used within cosmetic products for a few different reasons: Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients. Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness. Niacinamide is a multitasking form of vitamin B3 that strengthens the skin barrier, reduces pores and dark spots, regulates oil, and improves signs of aging. And the best part? It's gentle and well-tolerated by most skin types, including sensitive and reactive skin. You might have heard of "niacin flush", or the reddening of skin that causes itchiness. Niacinamide has not been found to cause this. In very rare cases, some individuals may not be able to tolerate niacinamide at all or experience an allergic reaction to it. If you are experiencing flaking, irritation, and dryness with this ingredient, be sure to double check all your products as this ingredient can be found in all categories of skincare. When incorporating niacinamide into your routine, look out for concentration amounts. Typically, 5% niacinamide provides benefits such as fading dark spots. However, if you have sensitive skin, it is better to begin with a smaller concentration. When you apply niacinamide to your skin, your body converts it into nicotinamide