Professional-C® Serum 20%

Highly concentrated Vitamin C antioxidant serum best suited for normal to oily skin
Professional-C Serum 20% is our highest concentrated serum, packed with antioxidants to help minimize the appearance of fine lines and wrinkles while leaving skin feeling silky soft. This high-performance serum is formulated with 20% L-ascorbic acid (Vitamin C), and is best suited for normal to oily skin.

Key Benefits:
-20% L-ascorbic acid (Vitamin C) encourages skin to rebound from previous visible damage
-Improve overall complexion by reducing the appearance of fine lines and wrinkles
-Formulates to immediately absorb and remain in the skin
$142.00
Earn 174 Premier Points
Obagi's Professional-C Serums, provide L-Ascorbic Acid, the most bioavailable form of Vitamin C for optimal skin absorption and results.

L-Ascorbic Acid is effective in reducing the appearance of fine lines, wrinkles and photoaging of the skin.
-Professional-C Serum 20% provides 5X better absorption levels over another leading competitor.
-Consumers prefer Obagi Professional-C Serum 20% nearly 2 to 1 over another leading competitor.
propylene glycol, water (aqua), L-ascorbic acid, alcohol, ascorbyl glucoside, ethoxydiglycol, phenoxyethanol, sorbitol, sodium hyaluronate, zinc chloride, calcium hydroxide, fragrance

Julie Bartholoma

21 days ago

I use this as both a moisturizer and a foundation for my tinted moisturizer. It has lightened the rather large dark spot on my cheek and made it look quite a bit less noticeable.

Allison Creveling

1 months ago

If you can only afford one product, this is what i would buy!

Jane Hodgin

2 months ago

This is my favorite Obagi product so far. I love the way it feels when it is applied; it is soothing and sinks in quickly!

Vickie Hart

2 months ago

My skin feels very soft

Sarah DeRosa

2 months ago

Tried so many others and this is the only one is see amazing results and makes my skin look better too.

Christie Fitts

3 months ago

This is a must gor me!

Katherine Knicely

3 months ago

I love this serum prior to my make up usage. I think it makes my skin glow Once again you just need a small amout

Crystal Corren

3 months ago

Sarah Risner

3 months ago

A little goes a long way

Kathryn Texiere

4 months ago

I love the way this product smells and makes my face feel, but I think it is causing my face to dry out. I will be purchasing the 10% or 15% next time!

Maggie Holderman

5 months ago

Magic in a bottle , I recently got a mini fridge for ky bathroom and love that I can keep this chilled. I also love thats its pregnacy approved . Will never go without this stuff.

Jessica Chepa

5 months ago

I will always use this product! I have a travel size and I always have a back up!

Lily Lusty

6 months ago

This is my overall number one pic regarding vitamin C serums from Obagi. I love the way it goes on and he results Mary I can't live without this product.

Janele Ridout

7 months ago

This product is a must!! My skin is noticeably smoother and softer!! I get compliments all the time that my skin is "glowing!"

Julie Williams

7 months ago

I used points to buy this and its not good . It was dark yellow on arrival.

Tatiana Kuzmina

7 months ago

Like the effect of this product to skin

Erin Koser

7 months ago

Must have to keep skin glowing!

Natalie PowellFields

8 months ago

Amazing product. After one week of use, I notices smoother, softer apperance.

Ivor Emmanuel

9 months ago

love the result

Jeana Klearman

10 months ago

Obagi professional-c serum 20% is the best! Will continue to purchase!

Teairra Martinez

1 years ago

If you are looking for a vitamin C to add to your routine, look no further. Best ever. Effective, non pore clogging magic. Plus this bottle will last tou about 6 months!!

Alyssa Archuletta

1 years ago

I absolutely love obagi vit c 20%, it's not only more stable/last longer (I've have other vit c oxidize after 2-3 months due to instability) but it has protected and brightened my complexion. This is now my 3rd purchase, I cannot live without it!

Barbara Rucker

1 years ago

Great vitamin c serum.

Jessica Spiker

1 years ago

An absolute game changer in skin care.

Ashlyn Jordan

1 years ago

Love

Jill Wolfe

1 years ago

Love the vit c snd i can trll when i run out because my skin starts looking dull.

VIKI Patarino

1 years ago

Great

Courtney Pearson

1 years ago

I love how this product has brightened up my face. It goes on so silky. This will always be apart of my daily routine.

Nicolle Gentry

1 years ago

Skin glows all day

Lina Hanna

1 years ago

Amazing product

Rose Bauer

1 years ago

This by far as one of the bathrooms I have used. It is a liquid drop you don't need much a small amount because much further than you realize. Sometimes it can give you a little tingly feeling which I enjoy

Cynthia Jones

1 years ago

Love all these products, they work the best only thing that helped with my melasma and my skin looks great

Megan Harvey

1 years ago

Cant live without this product

Debra MacTaggart

1 years ago

my skin drinks this up.

Milly Soto

1 years ago

Love

Cindy Mejia

1 years ago

This is a staple to my every morning routine. I switch from 15 to 20% on my combination and sensitive skin. Highly recommend and easy to apply!

RN Ssi MedSpa

1 years ago

Best topical Vit C!

Shannon Vaughan

1 years ago

I use this every morning and have been very happy with the results.

Jacqueline Taylor

1 years ago

Love how it makes my skin feel.

Sharon Wall

1 years ago

First time user. I like that it stays stable longer than another brand I was using.

Lynnette Goforth

1 years ago

Use every morning.. a must

Libby Bates

1 years ago

Excellent

Patsy Grooms

1 years ago

Live this product!

Katie Waring

1 years ago

The absolute best!

Kristina Darbinian

1 years ago

Omg obsessed with this serum. Highly rwcommend this product to anyone that wants to target their brown spots and is concerned with dullness and saggy skin.

Melody Reid

1 years ago

My dermatologist loves this lroduct!

Yolanda Riley

1 years ago

Just added this to my regimen....thus far so good. Love it!!

Julie Higginbotham

1 years ago

Soothing

Cait Massie

1 years ago

This is amazing!

Rima chehab

1 years ago

Very nice

Vanessa Cheney

1 years ago

A cult fave. Forver and always. Everyday.

Jennifer Pipkin

1 years ago

My favirite obagi oroduxt. The product that lightened my dark spots the most.

Paula Black

1 years ago

Favorite product!

Celeste Quinonez

1 years ago

After using this product I will never NOT use it. This serum has improved my skin incredibly in just a few uses. I've already purchased a second bottle for when this one is out I don't have to go without.

Christina hunt

2 years ago

Incredible product!

Allie Fisher

2 years ago

I love this product!

Melissa Brown

2 years ago

Been using it for a few weeks, while it makes my skin brighter , im hoping tne long term benefits are more noticeable

Danielle Capogna

2 years ago

Love

Samantha Bell

2 years ago

Like a drink for your skin

Amy Sherwin

2 years ago

love this stuff!

Angela McAfee

2 years ago

Professional-C Serum 20% gives my face a glow after applying. I use this in the morning after washing my face and applying my make-up. By far one of my favorite Obagi products.

Brianna Hames

2 years ago

Go to Vit C serum! No irritation.

Breanna Bilbrey

2 years ago

Great consistency

Connie Williams

2 years ago

I cannot live without this Vitamin C serum! My skin looks so much brighter and I get compliments all the time about how glowing my skin looks! Love this serum, best Vitamin C serum I have ever used!

Emily Bryant

2 years ago

Love this VitaminC!

Elizabeth Lepe

2 years ago

Love

Gerri Coyle

2 years ago

Great

Phyllis Collier

2 years ago

Love this product!

Karen Smilie

2 years ago

Love me some vitamin c. Prefer the onr with skin lightening.

Deanna Sholas

2 years ago

JUST ORDERED EXCITED TO TRY. I am not new to vitamin c so im hoping this serum will replace the one i was using

Jessica Peine

2 years ago

I adore this vitamin C serum. It goes on like silk and absorbs quickly. My skin has a nice bright glow after I use it, and i feel confident that it is protecting my skin and providing the best nourishment from any vitamin C serum available. Since my skin tends toward oily, the 20% works best for me

Sara Krupinsky

2 years ago

This product is amazing!

Anna Garrity

2 years ago

Love this product

Lindsay Sanders

2 years ago

Love

Gail Staton

2 years ago

Everyone should try this serum. Skins feels so good and looks good. I am 66 and my skin looks so much better

Abigail Cooper

2 years ago

Use this product every day and it gives my skin that healthy glow. Have noticed a more even skin tone. Definitely recommend!

Laura Mittermaier

2 years ago

I've used other Vitamin C Serums and this is the real deal. It's a little pricey but well worth it. I can definitely see a difference in my skin tone.

Cheryl Bennett

2 years ago

Freat

Shelley O'Malley

3 years ago

This is a game changer. It really brightened my face and chrst. Of all the products, i can't live without this one.

Linda Wall

3 years ago

So great. Expensive but great!

Julia Wiley

3 years ago

I LOVE this product! Gives my skin a wonderful glow and has improved the texture tremendously!! I highly recommend!!

Nicole Sisk

3 years ago

Love this stuff!

Debbie McCormick

3 years ago

I cant go without vitamin c ans Obagi's is the best!

Janet Turner

3 years ago

I use this with my morning routine. My skin glows after use. Like with all the Obagi products I have used, a little goes a long way.

Klea Kostandini

3 years ago

This product works wonders. Im in love. It lightens any hyperpigmentation and will leave the skin feeling super soft. Its a must buy!!!

Trish Walstead

3 years ago

This makes my skin bright with a beautiful glow, fast absorbing serum

Love it!

Rhiana DeGennaro

3 years ago

Best Vitamin C on the market!

Sandra Wendland

3 years ago

Awesome!

Amelia Youkhanna

3 years ago

Great!

Jamie Darnall

3 years ago

Brightens my skkn and applies easily

Heather Goodenow

3 years ago

Im on my 2nd bottle, this stuff is great

Haley White

3 years ago

My favorite vit c serum!

Satanya Clarke

3 years ago

Best serum ever

Doris Mabe

3 years ago

nice feeling on my face

Joy Miller

3 years ago

Love

Tish Foster

3 years ago

This is absolutely amazing! I have been using it for years. I truly feel it makes my skin so bright and smooth. Obaji is the best;))

Delayna Wheaton

3 years ago

This product is awesome. I use it with my moisturizer. Not only does it smell great but it feels great!

Lynn Proden

3 years ago

This is the best vitamin C serum on the market. It has really helped keep my skin tone even and glowing.

Celeste Cain Curry

3 years ago

My skin looks so bright! I love this serum!

Judy Bowen

3 years ago

Absolutely love this product! Has made a difference in the brightness of my skin. If i coukd only afford one product in this line I would not go without this one.

Annette Hendrix

3 years ago

Great to hydrate and restore healthy skin to your face!

Morgan El-Zeinab

3 years ago

Love this product! My skin looks so radiant after using. I always follow up with moisturizer and sunscreen but my skin doesnt look the same without it.

Deborah Atsberger

3 years ago

Using C-serum for many years! Now, even after turning 60 my face looks bright

Kayla Wagner

3 years ago

This serum has made a significant difference in tbe appearance of my skin. I look forward to applying every morning!

Jamie Olson

3 years ago

Keeps my maturing skin glowing!

Ilyssa Feierstein

3 years ago

I Love this! My skin looks and feels so great!

Honey Ackermann

3 years ago

Cant live without my C!! Great serum for your daily skincare regime!

Alissa Jeanfreau

3 years ago

I really enjoy using this vitamin C serum. I noticed a difference in my skin!

Michaela Campbell

3 years ago

I highly recommend Vitimin C Serum to all my family and friends.

Mary Barthel

3 years ago

This stuff works!! It has lightened up the dark spots on my face! I cant wait to put it on every morning!

Amanda Deinhart

3 years ago

This is hands down the best vitamin C serum on the market. It has transformed my skin and does not make it greasy. Cannot live without this in my skin care regimin.

Mariah Vasquez

3 years ago

this is great for anti aging

Cindy Anderson

3 years ago

This product is the best ever. We all need to use Vitamin C to protect our face.

Jane Blanchard

3 years ago

Love it

Cherie Shepard

3 years ago

Love how this helps even my skin

Mechelle Evans

3 years ago

I have been using Obagi Vit. C serum for 26 years. I have tried other Vit. C serums and NOTHING compares. You will immediately see the brightness once applied to the skin. A little goes a long way. I use 1 drop on my forehead, 2 drops each cheek and 1 drop on the chin press into the skin.

Lei Gonzales

3 years ago

Love this brightening serum. Love applying under makeup every morning.

Jeanne Ford

4 years ago

I have used this serum for 3 years and it is a game changer. No irritation and really does a great job. Worth every penny

Jayme LaMotta

4 years ago

I had a facial done with this serum and my skin looked amazing after so I purchased it and I am so happy!

Tracy Burke

4 years ago

I love this serum! It’s good for oily skin. My skin tone looks more even now

Dawn Olinger

4 years ago

Wonderful light coverage for am with 4% hydro

Lisa Lamica

4 years ago

I really like this serum it makes my skin look amazing!

Savannah HUTTO

4 years ago

Best thing I’ve ever put on my face!

RayAnna Rogers

4 years ago

Love this vit c serum!

Donna Lee

4 years ago

Best vitamin c serum out there!

Stephanie Logan

4 years ago

Serum feels nice going on and it absorbs quickly with no greasy feeling. I apply it after my toner and before my moisturizer/spf. Haven't noticed significant "brightness" to my skin yet but I'm committed so will continue applying daily.

Megan Culbreth

4 years ago

Best C Serum on the market!

Pamela Allen

4 years ago

It’s my every day product I use. It makes my skin shine and feel so good.

Danielle Steele

4 years ago

I have been using Obagi since my early 30’s. The 20% Serum is a fantastic product. At 48 years of age I have maintained my skins elasticity and brightness. I credit this serum and the Obagi C product line!

Laura Tracey

4 years ago

This is high quality Vitamin C!

Tammy Collins

4 years ago

Absolutely love these products! Will not be switching!

How to Use

  • Apply 5 to 7 drops of Obagi Professional-C Serum to the face, neck and chest using fingertips
  • Apply to cleansed skin in the morning before sunscreen or makeup application
  • For external use only.
  • Avoid direct contact with eyes, nose, mouth and lips.
  • Some users of this product may experience a slight tingling, which should diminish with continued use.
  • If tingling becomes severe, stop use and consult a doctor.
  • Keep out of direct sunlight.
  • Store in a dark, cool place.
  • Keep cap on tightly when not in use.
  • Apply 5 to 7 drops of Obagi Professional-C Serum to the face, neck and chest using fingertips
  • Apply to cleansed skin in the morning before sunscreen or makeup application
  • For external use only.
  • Avoid direct contact with eyes, nose, mouth and lips.
  • Some users of this product may experience a slight tingling, which should diminish with continued use.
  • If tingling becomes severe, stop use and consult a doctor.
  • Keep out of direct sunlight.
  • Store in a dark, cool place.
  • Keep cap on tightly when not in use.

FAQs