Peptide Skincare & BeautySkin science and ingredient guides

Product and ingredient reference

ITK Hyaluronic Acid Serum

ITK Hyaluronic Acid Serum ITK Hyaluronic Acid Serum ingredients explained: Water (Aqua/Eau), Butylene Glycol, PEG-40 Castor Oil, Phenoxyethanol, 1,2-Hexanediol, Sodium Hyaluronate, Panthenol, Niacinamide, Chlorphenesin, Ethylhexylglycerin, Squalane, Pentylene

ITK Hyaluronic Acid Serum ITK Hyaluronic Acid Serum ingredients explained: Water (Aqua/Eau), Butylene Glycol, PEG-40 Castor Oil, Phenoxyethanol, 1,2-Hexanediol, Sodium Hyaluronate, Panthenol, Niacinamide, Chlorphenesin, Ethylhexylglycerin, Squalane, Pentylene Glycol, Sodium Acetylated Hyaluronate, Hydrogenated Olive Oil Unsaponifiables, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate Show all ingredients by function Water (Aqua/Eau) solvent Butylene Glycol moisturizer/​humectant, solvent 0, 1 PEG-40 Castor Oil emulsifying, surfactant/​cleansing 0, 0 Phenoxyethanol preservative 1,2-Hexanediol Sodium Hyaluronate skin-identical ingredient, moisturizer/​humectant goodie Panthenol soothing, moisturizer/​humectant Niacinamide cell-communicating ingredient, skin brightening, anti-acne, moisturizer/​humectant superstar Chlorphenesin preservative, antimicrobial/​antibacterial Ethylhexylglycerin Squalane skin-identical ingredient, emollient Pentylene Glycol solvent, moisturizer/​humectant Sodium Acetylated Hyaluronate moisturizer/​humectant Hydrogenated Olive Oil Unsaponifiables emollient Sodium Hyaluronate Crosspolymer skin-identical ingredient, antioxidant, moisturizer/​humectant Hydrolyzed Sodium Hyaluronate Good old water, aka H2O. The most common skincare ingredient of all. You can usually find it right in the very first spot of the ingredient list, meaning it’s the biggest thing out of all the stuff that makes up the product. It’s mainly a solvent for ingredients that do not like to dissolve in oils but rather in water. Expand to read more Once inside the skin, it hydrates, but not from the outside - putting pure water on the skin (hello long baths!) is drying. One more thing: the water used in cosmetics is purified and deionized (it means that almost all of the mineral ions inside it is removed). Like this, the products can stay more stable over time. Butylene glycol, or let’s just call it BG, is a multi-tasking colorless, syrupy liquid. It’s a great pick for creating a nice feeling product. BG’s main job is usually to be a solvent for the other ingredients. Other tasks include helping the product to absorb faster and deeper into the skin (penetration enhancer), making the product spread nicely over the skin (slip agent), and attracting water (humectant) into the skin. It’s an ingredient whose safety hasn’t been questioned so far by anyone (at least not that we know about). BG is approved by Ecocert and is also used enthusiastically in natural products. BTW, it’s also a food additive. We don't have description for this ingredient yet. It’s pretty much the current IT-preservative. It’s safe and gentle, but even more importantly, it’s not a feared-by-everyone-mostly-without-scientific-reason paraben. It’s not something new: it was introduced around 1950 and today it can be used up to 1% worldwide. It can be found in nature - in green tea - but the version used in cosmetics is synthetic. Other than having a good safety profile and being quite gentle to the skin it has some other advantages too. It can be used in many types of formulations as it has great thermal stability (can be heated up to 85°C) and works on a wide range of pH levels (ph 3-10). It’s often used together with ethylhexylglycerin as it nicely improves the preservative activity of phenoxyethanol. A really multi-functional helper ingredient that can do several things in a skincare product: it can bring a soft and pleasant feel to the formula, it can act as a humectant and emollient, it can be a solvent for some other ingredients (for example it can help to stabilize perfumes in watery products) and it can also help to disperse pigments more evenly in makeup products. And that is still not all: it can also boost the antimicrobial activity of preservatives. It’s the - sodium form - cousin of the famous NMF, hyaluronic acid (HA). If HA does not tell you anything we have a super detailed, geeky explanation about it here. The TL; DR version of HA is that it's a huge polymer (big molecule from repeated subunits) found in the skin that acts as a sponge helping the skin to hold onto water, being plump and elastic. HA is famous for its crazy water holding capacity as it can bind up to 1000 time what‑it‑does moisturizer/humectant | solvent irritancy, com. emulsifying | surfactant/cleansing skin-identical ingredient | moisturizer/humectant soothing | moisturizer/humectant cell-communicating ingredient | skin brightening | anti-acne | moisturizer/humectant preservative | antimicrobial/antibacterial skin-identical ingredient | emollient solvent | moisturizer/humectant moisturizer/humectant skin-identical ingredient | antioxidant | moisturizer/humectant

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