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The earlier you add a vitamin C serum to your routine, the longer your complexion will remain youthful and radiant. Obagi Professional-C Serum 20 is a concentrated serum with 20% vitamin C that provides multiple benefits for the complexion. This ingredient neutralizes free radicals that break down collagen and elastin causing damage and leading to fine lines, wrinkles and dark spots. Vitamin C also promotes collagen production which plumps skin and reduces the look of wrinkles. The formula is ideal for normal, combination and oily skin types, and it absorbs quickly without leaving the complexion greasy or oily.
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LovelySkin Customer
Verified Purchase
I have been using this serum for several years. It was recommended by my dermatologist and also by my aesthetic nurse. It gives my skin a dewy finish.
CeciliaP
Verified Purchase
Have used 15% C for a while and decided to upgrade. So far absorbs well and seems to work somewhat better than the 15%. Will be able to tell more over time.
LovelySkin Customer
Verified Purchase
I’ve been using Obagi C Serum 20% for 4 years now and my face washing routine would not be complete without it. I apply it after the toner and it absorbs instantly and feels very soothing to my skin, getting it ready for the next step! I use other products from Obagi and am as happy with all of them!
EvC
Verified Purchase
No complaints about this product but not sure what it’s doing. I’ve been told Vitamin C is important for texture and clarity and my skin looks clearer. I like it though I may not buy again
LovelySkin Customer
Verified Purchase
I love this -it is definitely helping with my brown sun spots. It smells great too.
hikerbabe
Verified Purchase
My skin looks fabulous. My friends and family compliment me and inquire what am I doing differently..I tell them Obagi
Nani2017
Verified Purchase
I've only been using for a couple of weeks & haven't seen a noticeable improvement yet. I'll at least finish the bottle & see if it's worth ordering again.
LovelySkin Customer
Verified Purchase
I’ve been using ZO products but they only have 10% vit C serum , so I switched to original Obagi 20 % which I believe is better for my skin ! My skin looks glowing and brown hormonal patches are almost gone .! I love the smell and how fast it penetrates the skin , and it lasts a long time !
LovelySkin Customer
Verified Purchase
Since I started using Obagi Professional-C 20% serum, my skin is noticeably smoother and brighter without any dryness or irritation.
PHM
Verified Purchase
I love the Obagi Professional-C Serum. I've been using it for a couple weeks already feel like my dark spots have lightened, my skin looks brighter and smoother. I have not had any bad reactions from the product and lately my face has become sensitive. My skin has become pretty oily in the past 6 months (hormonal) and this serum feels so light. I also apply to my neck and chest. I've been using it every morning and night. I bought a bottle for my mom to try just recently. She uses a different brand Vitamin C but I'm sure she will be switching to this one after trying it. This is one of those items I want to overbuy in case it goes out of stock or discontinues. So great!
Hikingprincess
Verified Purchase
I’ve tried other c serums that were less expensive but I always come back to this one. It goes on so nice and absorbs completely in less than a minute. My skin looks healthy and glowy even without makeup. It brightens my skin and helps minimize pores. For me it is worth every penny.
LovelySkin Customer
Verified Purchase
I have 15% and 20% and switch them around depending on how my skin feels after washing. Does absorb well, but for my skin, takes a longer to absorb than the 15% but only a minute or two.
CherG
Verified Purchase
This Vitamin C serum is professional grade. New customers should start with lower % of Vitamin C and work up. My skin soaks this up. I use in my morning routine and then apply my day cream and spf before my makeup.
Bgood44
Verified Purchase
I love Obagi in general, but this serum is amazing. I use it under my sunscreen as extra protection. It definitely makes my skin glowy and has helped brighten dark spots.
LovelySkin Customer
Verified Purchase
I love this stuff! I have done my research on Vitamin C for older skin and this is the ticket! Be careful when you open it. I have accidentally tipped it over and spilled the entire bottle. Wish it came in a dripper bottle instead of the glass thingy. This is my new go to product.
Hydralux
Verified Purchase
This product is most definitely worth using. It is soothing and very gentle on my face. I have used this product for years.
EMGarcia
Verified Purchase
I have been using the Obagi vitamin C for years! I love Obagi products. I have tried other but always come back to Obagi.
Diva
Verified Purchase
I have been using this product for several years and I know it has kept my skin wrinkle free and I am over 80 years old.
ashgrey23
Verified Purchase
I had been using the 15 for awhile now so I tried the 20% and it was too harsh. I tend to have sensitive skin with mild rosacea... I'm able to use the 15 once a week. It's like resetting your face or a deep clean one a week! Love how my skin feels after. Definitely start out with 15 before trying the 20!
LovelySkin Customer
Verified Purchase
I have used many C serums in the past and like the difference I think it makes to my face. This Serum feels especially potent. It has a rather strong aroma, but you get used to it. It’s performance is as good as others that I tried.
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