Phần 2: Khám phá nền tảng triết lý điều trị da hiệu quả và bền vững. A form of skincare superstar, vitamin C. If you do not know why vitamin C is such a big deal in skincare, we have a really detailed, geeky description that's good to read. In 18 of 20 of the online reviews available, Obagi comes out on top.And its no surprise why, as you’ll soon learn.Rich in vitamin C, vital nutrients, and antioxidants, Obagi can reverse the effects of aging by reducing wrinkles, minimizing fine lines, eveni… If you wanna know more, we wrote a more detailed explanation about what's the deal with alcohol in skincare products at alcohol denat. In large amount can be very drying. A common glycol that improves the freeze-thaw stability of products. Though SkinCeuticals vitamin C uses a patented formula that is proven to visibly reduce aging, I still highly recommend Obagi C serum. If HA does not tell you anything we have a super detailed, geeky explanation about it here. Làm thế nào để phòng ngừa và điều trị các vấn đề về sắc tố? It provides superior antioxidant protection with deep penetration to the dermal layer. Phần 4: Bảo vệ làn da khỏi tác hại của tia cá»±c tím (Phần cuối). As far as skincare goes, sodium hyaluronate and hyaluronic acid are pretty much the same and the two names are used interchangeably. We will assist you locate the top-rated obagi vitamin c serum 20 with factors, function, and coupons. Obagi Professional-C Serum 20%: rated 4 out of 5 on MakeupAlley. ), they had 3 different vitamin C formulations: 5%, 10% and 20%. Hành trình phục hồi làn da. An error has occurred. A quick search online indicated good reviews for Obagi, so I decided to buy it on the spot! Other than that it can also be used in hair care products where it gives a longer-lasting and more uniform coloring. ... Obagi System Professional-C 10% Vitamin C Serum by Obagi for Women - 1 oz Serum. So now you know that because pure vitamin C is such a diva (very unstable and hard to formulate) the cosmetic industry is trying to come up with some derivatives that have the badass anti-aging properties of vitamin C (antioxidant protection + collagen boosting + fading hyperpigmentation) but without the disadvantages. Exactly what it sounds: nice smelling stuff put into cosmetic products so that the end product also smells nice. Let's see why: First, it's really stable and easy to formulate, so the problems that come with pure vitamin C are solved here. 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). Cheap Obagi Vitamin C Serum 20 Deal . Hành trình phục hồi làn da. Find helpful customer reviews and review ratings for Obagi MedicalProfessional C Serum 10%, Vitamin C Facial Serum with Concentrated 10% L Ascorbic Acid for Normal to Oily Skin, 1.0 Fl Oz Pack of 1 at Amazon.com. Just For You: All skin types A Closer Look: Obagi Pro-C Serum can rapidly penetrate your skin to boost its antioxidant content by providing Vitamin C and helps fight the signs of early aging. Professional-C Serum 20% Highest concentrated serum best suited for normal to oily skin; Question#4: How should we use Obagi’s vitamin C serum for best results? My favorite brand of Vitamin C. I previously purchased a bottle of the Obagi Professional-C 15% serum and loved how it made my skin look and feel. Designed to penetrate deep into your skin, this vitamin C serum provides effective antioxidant protection from UV damage as it brightens away hyperpigmentation and encourages the growth of collagen and elastin fibers. It's also a solvent, humectant and to some extent a penetration enhancer. Phần 3: Điều trị chuyên sâu rối loạn sắc tố. In spite of this, if you search for "hyaluronic acid vs sodium hyaluronate" you will find on multiple places that sodium hyaluronate is smaller and can penetrate the skin better. 0 Reviews. It's a helper ingredient that improves the freeze-thaw stability of products, It's also a solvent, humectant and to some extent a penetration enhancer, It has a bad reputation among natural cosmetics advocates but cosmetic scientists and toxicology experts do not agree (read more in the geeky details section), Works best between a concentration of 5-20%, Boosts the skin’s own collagen production, If used under sunscreen it boosts its UV protection, Extremely unstable and oxidizes very easily in presence of light or air, Stable in solutions with water only if pH is less than 3.5 or in waterless formulations, Vit E + C work in synergy and provide superb photoprotection, Ferulic acid doubles the photoprotection effect of Vit C+E and helps to stabilize Vit C, Potent Vit. Not sold ... Obagi Medical Professional Serum 20% Vitamin C Serum Facial Treatment - 30 ml / 1.0 fl oz. It’s safe and gentle, but even more importantly, it’s not a feared-by-everyone-mostly-without-scientific-reason paraben. It’s often used together with ethylhexylglycerin as it nicely improves the preservative activity of phenoxyethanol. Chemically, this is definitely not true, as the two forms are almost the same, both are polymers and the subunits can be repeated in both forms as much as you like. The most common skincare ingredient of all. It’s mainly a solvent for ingredients that do not like to dissolve in oils but rather in water. :) You are almost done: please check your mailbox to confirm your email! A stable and easy to formulate form of skincare superstar, vitamin C. In-vitro studies show that it shows all the three anti-aging benefits (antioxidant protection + collagen boosting + fading hyperpigmentation) that pure vitamin C does. If you are someone who likes to know what you put on your face then fragrance is not your best friend - there's no way to know what’s really in it. As one of the Obagi Professional-C Serums, this serum contains the highest percentage of vitamin C (L-ascorbic acid). Also, it's extremely unstable and hard to formulate. Obagi is one of the most trusted names in skin care. Third, in-vitro studies show that after ascorbyl glucoside is absorbed into the skin it is converted to pure vitamin C (though the rate of conversion is still a question mark). Second, in vitro (meaning made in the lab, not on real humans) studies show that ascorbyl glucoside can penetrate the skin. Obagi Professional-C Serum 20% is formulated for mature, sun-damaged skins that are coarse, leathery and deeply lined and it is also indicated for oily skins. Treat your skin to the protective properties of Obagi Professional-C Serum, a concentrated anti-aging serum formulated with 20% Vitamin C to address signs of aging.. Melting effortlessly into skin, the solution combines L-ascorbic Acid with Hyaluronic Acid to plump skin with moisture while brightening the look of hyperpigmentation for a radiant, youthful-looking appearance. Lighter than cream and certainly more concentrated, vitamin C serum travels well below the epidermis (the top layer of skin) and directly into the dermis so it penetrates really well. Obagi Professional-C Serum 20% uses stabilized ascorbic acid – the only form of Vitamin C that can be effectively absorbed by the skin. Read honest and unbiased product reviews from our users. Recommended by doctors, the Obagi is a serum that has garnered nothing but praise and approval in the skincare world. I have tried other brands of serum but keep coming back to the Obagi. Professional-C Serum options include formulas with 10, 15 and 20 percent l-ascorbic acid, a powerful form of vitamin C. But we found it difficult to navigate the company’s website and locate information about the product, such as features and benefits, ingredients, expected results and even the price. $127 now 15% off. I was surprised when I first opened the bottle, as the contents appeared to fizz a bit and disappointed when a bit of this pricey serum ran out over the bottle. Please try again later! Fragrance in the US and parfum in the EU is a generic term on the ingredient list that is made up of 30 to 50 chemicals on average (but it can have as much as 200 components!). Its lightweight properties make it compatible with other products and perfect for temperamental skin making it a good choice for those new to the vitamin C serum regimen. It’s the - sodium form - cousin of the famous NMF, hyaluronic acid (HA). 0 Reviews. Obagi Professional-C Serum 20% infuses your skin with L-ascorbic acid, the only form of vitamin C suitable for topical application. Clinical significance has not been established. Best overall vitamin C serum SkinCeuticals C E Ferulic. 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. Price Price. Read honest and unbiased product reviews from our users. A form of skincare superstar, vitamin C.If you do not know why vitamin C is such a big deal in skincare, we have a really detailed, geeky description that's good to read.. Pure Vitamin C. A skincare superstar that is clinically proven to boost collagen production (in 5-20% concentration), fade hyperpigmentation and boost UV protection under sunscreen. As cosmetic chemist kindofstephen writes on reddit  "sodium hyaluronate disassociates into hyaluronic acid molecule and a sodium atom in solution". c trị khác nhÆ° Retinol vào buổi tối), Nếu bạn sá»­ dụng kem dưỡng mắt, Hệ thống trị nám hiệu quả Obagi Nu-Derm System. It’s pretty much the current IT-preservative. Simply alcohol refers to ethanol and it's a pretty controversial ingredient. No wonder it's popular in toners and oily skin formulas. It’s the number one cause of contact allergy to cosmetics. Also, if your skin is sensitive, fragrance is again not your best friend. (We also checked Prospector for sodium hyaluronate versions actually used in cosmetic products and found that the most common molecular weight was 1.5-1.8 million Da that absolutely counts as high molecular weight). Designed to penetrate deep into your skin, this vitamin C serum provides effective antioxidant protection from UV damage as it brightens away hyperpigmentation and encourages the growth of collagen and elastin fibers. According to a manufacturer, it might even prevent the formation of split ends. L-ascorbic acid reaches the deepest layers to the skin to provide superior antioxidant protection, defend against damaging UVA and UVB sun rays, contribute to collagen synthesis and help prevent premature signs of aging such as fine lines and wrinkles. Reviews There are no reviews yet. It accelerates the collagen synthesis in the cells to effectively counteract blemishes, fine lines and wrinkles. Usually the main solvent in cosmetic products. We don't have description for this ingredient yet. ... See more reviews here. A vitamin C moisturising cream can help but it doesn’t penetrate as well as a serum which is why vitamin C serums have become so popular. The downside is that it can be very drying if it's in the first few ingredients on an ingredient list. It’s definitely a smart thing to avoid with sensitive skin (and fragrance of any type - natural is just as allergic as synthetic, if not worse!). Obagi C Serum . It’s safe and gentle, and can be used up to 1% worldwide. 1,*. Normal (well kind of - it's purified and deionized) water. It’s quite a mouthful, so I’ll call it the Timeless Vitamin C serum, for ease of reference. Refine by size, like 1oz., 1 oz / 30 ml, 1 fl oz, 1.0 oz and more. To do that, I have to compare apple to apple, meaning I have to compare Obagi Vitamin C 20% serum (C20) with Glo-Therapeutics Cyto-luxe. See 25 member reviews and photos. It can bind huge amounts of water and it's pretty much the current IT-moisturizer. Có ba nồng độ khác nhau trong dòng sản phẩm Obagi Professional-C. Nồng độ cao hÆ¡n không hẳn là sẽ tốt hÆ¡n, mà còn tùy vào cách sá»­ dụng của bạn. Instead of getting a new bottle of Obagi C10, I broke out one I’d been keeping for a while – the Timeless 20% Vitamin C + E + Ferulic Acid Serum. Mon Apr 10, 2006 11:10 am : I've been using Obagi Professional-C Serum 20% serum for three weeks. It is made up of 30 to 50 chemicals on average. A nice odorless liquid used mainly as a superior solubilizer and efficacy booster for cosmetic active ingredients such as vitamin C or benzoyl peroxide. C serums might cause a slight tingling on sensitive skin. Pretty much the current IT-preservative. The 20% serum tended to make my face red but then I have very reactive skin. It's the salt form of famous humectant and natural moisturizing factor, hyaluronic acid. It's a sweet tasting sugar substitute that helps your skin to hold onto water when used in cosmetic products. It goes well under makeup and absorbs well. 5 times better absorption vs SkinCeuticals 2,* * Penetration and absorption data based on in vitro studies. I had been using another, much more expensive brand of vitamin C serum. It has many instant benefits: it's a great solvent, penetration enhancer, creates cosmetically elegant, light formulas, great astringent and antimicrobial. This is kind of important for an anti-aging ingredient to do the job, so this is good news, though in-vivo (made on real humans) studies are still needed. Thanks. You can see some consumer studies below showing the benefits of Obagi C serum (in this case the 20% concentration): ... One of the benefits of using Obagi Vitamin C serum is that you know you are getting a high quality Vitamin C serum that has been shown to penetrate deep enough into the skin to help with these benefits. At present, Timeless Skincare only makes 1 Vitamin C serum, so it’s not that confusing 😛 C Serum is available in three different strengths of L-ascorbic acid: 10%, 15%, and 20%. It also helps to thicken up products and give them a bit more slip. Overall, users reported the following results: It is a highly concentrated, high-performance serum that improves signs of skin ageing by stimulating collagen synthesis and visibly helping to improve pigmentation and brightens the skin. I use it in the morning after cleansing and rub the excess into the backs of my hands. Phần 1: Quy trình chuẩn bị. In this review, we’ll discuss the key ingredients in this serum, how to use it, Obagi C Serum reviews from real customers, and more. A nice odorless liquid used mainly as a superior solubilizer and efficacy booster for cosmetic active ingredients such as skincare bigshot vitamin C, self-tanning active DHA or the anti-acne gold standard, benzoyl peroxide. I liked it okay, but it smelled like bacon, and I felt guilty spending that much money. Good old water, aka H2O. Hành trình phục hồi làn da. Serum vitamin C Obagi có ba nồng độ 10 - 15 - 20%, vậy tôi nên dùng nồng độ nào? Simple alcohol that's a great solvent, penetration enhancer, creates cosmetically elegant, light formulas, great astringent, and antimicrobial. The Obagi C 15 is the serum most compatible with my skin. Bottom line: ascorbyl glucoside is one of the best and most promising vitamin C derivatives that shows similar benefits to that of pure vitamin C, but it's less proven (in vivo vs. in vitro studies) and the extent of the benefits are also not the same. what's the deal with alcohol in skincare products at alcohol denat. is drying. Some experts even think that regular exposure to alcohol damages skin barrier and causes inflammation though it's a debated opinion. (it's also alcohol, but with some additives to make sure no one drinks it). , light formulas, great astringent, and coupons uniform coloring felt guilty spending much. As one of the Obagi is one of the famous NMF, hyaluronic.... If your skin to hold onto water when used in cosmetics is synthetic with the interesting. Read honest and unbiased product reviews from our users read all the three anti-aging benefits ( antioxidant with. Guilty spending that much money as it can be effectively absorbed by skin... 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By size, like 1oz., 1 fl oz 's a debated opinion the current.... Recommend Obagi C 15 is the serum most compatible with my skin fading. Some additives to make sure no one drinks it ) a longer-lasting more! Patented formula that is proven to visibly reduce aging, I still highly recommend Obagi 15... €“ the only form of vitamin C serum phần 3: Điá » u trá » ‹ to.., read all the geeky details about Propylene glycol here > > uses stabilized ascorbic acid – the form. Holding capacity as it nicely improves the preservative activity of phenoxyethanol, all... ‹ chuyên sâu rá » ‘i loạn sắc tá » ‘ times better absorption vs SkinCeuticals 2 *... Based on in vitro studies >, read all the geeky details about ascorbic acid here > > up! Them a bit more slip: rated 4 out of 5 on MakeupAlley a quick search online indicated reviews... Extent a penetration enhancer for vitamin C safe and gentle, and antimicrobial found nature. 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