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Great for brown spots
This has the highest strength vitamin C I have found so far. This, in conjunction with retinol, greatly diminishes the brown spots on my hands.
LovelySkin Customer
Verified Purchase
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Obagi Professional C
I have been using this serum and am happy with the results. It soaks in well and doesn't leave any residue once applied. 7-8 drops is all it takes for application to my face and neck. I have somewhat oily skin and have had no sensitivity issues with this serum. I go between this and another brand. I think they are both great and the Obagi has a better price point.
AmyA
Verified Purchase
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Great serum
Been using this for two years after switching from skin medica formula and I notice obagi works better over SkinMedica c serum for my skin- fades acne and sun spots much more.
Shopkitten
Verified Purchase
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Adds a glow
I wasn't sure which C serum to choose but this one didn't disappoint! My skin has a new glow. It also smells delicious!
LovelySkin Customer
Verified Purchase
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Love it.
This serum had change my skin. You can truly see it and feel it. Had order my second bottle and will continue for sure.
IvaSlobo
Verified Purchase
0 people found this helpful
Firmer Skin
I have been using this for about a month and have seen a significant difference in my face. My skin is firmer and smoother. I actually see where it has lighten my sun spots as well. Will definitely keep using.
Aglow
Verified Purchase
0 people found this helpful
Quality vitamin C
I initially started with the 15% and then worked up to this. Don’t start on this right away unless you have extremely tolerant skin. I use it in the morning and evening and it has helped my skin feel more hydrated and has reduced some of my dark spots. It’s not a miracle in a bottle but has helped reduce the darkness of my spots. Love it so much.
Aledbetter226
Verified Purchase
0 people found this helpful
I love this
I used this product for a while years ago and loved it ... I returned to it 1 year ago and the difference is quite a lot, I feel my face firmer with more life, I also like its smell and texture, I highly recommend it.
Karly
Verified Purchase
0 people found this helpful
Love it!
Have been using this for almost a year and love it!
LovelySkin Customer
Verified Purchase
0 people found this helpful
Obagi 20% C Serum
I never go without it.
Babyskin
Verified Purchase
0 people found this helpful
Use it daily
Great product. Use it daily for fresher, younger looking skin.
LovelySkin Customer
Verified Purchase
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Love
Works great! I ended up storing it in a beauty fridge as the application is better when it is kept cold.
mckenzierae
Verified Purchase
0 people found this helpful
Game Changers
I finally pulled the trigger and bought a medical grade vitamin C and could not be happier with the results. It’s been about a month and I’ve already seen improvements with my skin! I have dark spots and in the short time that I’ve been using this product they have definitely lightened up. It’s definitely worth the price to me.
LovelySkin Customer
Verified Purchase
0 people found this helpful
Love This!
I have been using Obagi for over 10 years. I always get compliments on my skin. I would never be without it. I use it night and day.
Janicelove
Verified Purchase
0 people found this helpful
Professional C serum
This is an amazing product! I have been using this for years. My skin feels firm and soft, especially for aging skin. It also helps with the aging spots.
LovelySkin Customer
Verified Purchase
0 people found this helpful
LUV!!!
This product is so great! You know sometimes how you skin gets dry and when you put on your makeup your flaky skin show! Well this product is for you! It takes away the flakes! LUV IT!
LovelySkin Customer
Verified Purchase
0 people found this helpful
Amazing product
I have been using this product for greater than 4 years and it has improved my skin dramatically. Age 50.

Gidgi
Verified Purchase
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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. Once I finished it, I decided to move up to the 20% formula and can't wait to see how my skin will continue to improve while using it.
RhondaR
Verified Purchase
0 people found this helpful
Amazing Product
Best Vitamin C Serum I have used so far! My Facialist recommended this product& brand to me. You can feel it immediately soaking into your skin and has helped me so much with sun spots. It's expensive but definitely worth the price.
LovelySkin Customer
Verified Purchase
0 people found this helpful
Second Purchase!
I’ve used a few different vitamin c’s over the years and Have basically been happy with all but I think the Obagi c targeted some of the browns spots on my face a little more effectively. I almost can’t find them anymore! Will continue to use..
Beautyjunkie1
Verified Purchase
0 people found this helpful
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