Breylee Hyaluronic Acid Serum

Breylee Hyaluronic Acid Serum Breylee Hyaluronic Acid Serum ingredients explained: Water, Hyaluronic Acid, Hydrolyzed Sodium Hyaluronate, Rose Extract, Carbomer, Lubrajel Cg, Glycerin, Glyceryl Acrylate/Acrylic Acid Copolymer, Propylene Glycol, Trehalose, Triethanolamine, Trehalose, Glycerin, Diethoxydiglycol, 1.3, Butylene Glycol, Hydroxyacetophenone, 1,2-Hexanediol, PPG-26-Buteth-26, Flavor, Polyquaternium-51, Panthenol Show all ingredients by function Water solvent Hyaluronic Acid skin-identical ingredient, moisturizer/​humectant goodie Hydrolyzed Sodium Hyaluronate moisturizer/​humectant Rose Extract Carbomer viscosity controlling 0, 1 Glycerin 0, 0 superstar Glyceryl Acrylate/Acrylic Acid Copolymer moisturizer/​humectant, viscosity controlling Propylene Glycol moisturizer/​humectant, solvent Trehalose Triethanolamine buffering 0, 2 Diethoxydiglycol 1.3, Butylene Glycol Hydroxyacetophenone antioxidant, preservative 1,2-Hexanediol PPG-26-Buteth-26 Flavor Polyquaternium-51 Panthenol soothing, moisturizer/​humectant 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. It’s naturally in our skin and behaves there like a sponge It can bind up to 1000 times its own weight in water It is a big molecule from repeated subunits (polymer) so different molecular weight versions exist (unfortunately there is no way to determine MW from INCI list only) High-molecular-weight-HA (>500 kDa) is an excellent surface hydrator, skin protectant and can act as an osmotic pump helping water-soluble actives to penetrate deeper into the skin Low-molecular-weight-HA (< 500 kDa) can hydrate the skin somewhat deeper though it is still a big molecule and works mainly in the epidermis (outer layer of the skin) Low-molecular-weight-HA might also help the skin to repair itself by increasing its self-defense (~ 200kDa used in the study) Ultra-low-molecular-weight-HA (<50kDa) is a controversial ingredient and might work as a pro-inflammatory signal molecule It's a super small, chemically chopped up version of sodium hyaluronate. Its trade name is miniHA, and its molecular weight is 10 kDa. This counts as really tiny given that "normal" HA has a molecular weight of 0.5-2 million Da. To be honest, low molecular weight (LMW), and especially this ultra-low molecular weight HA is a controversial ingredient. On the upside, it can penetrate the skin better (though 10kDa still counts as big!) and might be able to moisturize the deeper layers of the skin where normal HA cannot get. Also, according to the manufacturer of miniHA, it has better antioxidant activity than a 1.6MDa version HA and it also has better sun protection and after-sun repair abilities than the higher MW versions. It also works in synergy with higher molecular weight versions, and the combination of 0.1% 1.45MDa-HA + 0.1% 380 kDa-HA + 0.1% miniHA hydrated the skin significantly better than 0.3% 1.45MDa-HA alone. On the downside, the biological role of LMW-HA in the skin is being a pro-inflammatory signaling agent and there is a study by another manufacturer called Evonik showing that HA versions with smaller than 50kDa molecular weight might be pro-inflammatory when put on the skin. Granted, the study was only done on reconstituted human epidermis, so it might or might not be like this on real human skin. If you wanna get confused and read much more about hyaluronic acid and what the different molecular weight versions might or might what‑it‑does skin-identical ingredient | moisturizer/humectant moisturizer/humectant irritancy, com. moisturizer/humectant | viscosity controlling moisturizer/humectant | solvent antioxidant | preservative soothing | moisturizer/humectant

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