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
$139.00
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

Crystal Corren

18 hours ago

Milly Soto

4 days ago

Love

Cindy Mejia

28 days 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

29 days ago

Best topical Vit C!

Shannon Vaughan

1 months ago

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

Jacqueline Taylor

1 months ago

Love how it makes my skin feel.

Tatiana Kuzmina

2 months ago

Sun protection

Nicolle Gentry

2 months ago

I use both morning and night

Sharon Wall

2 months ago

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

Lynnette Goforth

2 months ago

Use every morning.. a must

Libby Bates

2 months ago

Excellent

Patsy Grooms

3 months ago

Live this product!

Katie Waring

3 months ago

The absolute best!

Kristina Darbinian

3 months 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

3 months ago

My dermatologist loves this lroduct!

Yolanda Riley

3 months ago

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

Julie Higginbotham

3 months ago

Soothing

Cait Massie

3 months ago

This is amazing!

Rima Hammoud

4 months ago

Very nice

Lily Lusty

5 months ago

Helps to keep my melasma in check! Love the 20% vitamin C!

Vanessa Cheney

5 months ago

A cult fave. Forver and always. Everyday.

Jennifer Pipkin

5 months ago

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

Paula Black

6 months ago

Favorite product!

Celeste Quinonez

7 months 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

9 months ago

Incredible product!

Allie Fisher

9 months ago

I love this product!

Melissa Brown

9 months ago

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

Sarah Risner

9 months ago

Dont overuse it will oxidize in your pores

Erin Koser

10 months ago

Thus product does wonders for keeping skin hydrated to ward off fine lines.

Danielle Capogna

1 years ago

Love

Samantha Bell

1 years ago

Like a drink for your skin

Amy Sherwin

1 years ago

love this stuff!

Angela McAfee

1 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.

Christie Fitts

1 years ago

I will never try another serum!

Brianna Hames

1 years ago

Go to Vit C serum! No irritation.

Breanna Bilbrey

1 years ago

Great consistency

Connie Williams

1 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

1 years ago

Love this VitaminC!

Elizabeth Lepe

1 years ago

Love

Gerri Coyle

1 years ago

Great

Phyllis Collier

1 years ago

Love this product!

Karen Smilie

1 years ago

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

Deanna Sholas

1 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

1 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

1 years ago

This product is amazing!

Lina Hanna

1 years ago

The best serum

Anna Garrity

1 years ago

Love this product

Lindsay Sanders

1 years ago

Love

Gail Staton

1 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

1 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

1 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

1 years ago

Freat

Shelley O'Malley

1 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

1 years ago

So great. Expensive but great!

Julia Wiley

1 years ago

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

Nicole Sisk

1 years ago

Love this stuff!

Debbie McCormick

1 years ago

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

Janet Turner

1 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

1 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

1 years ago

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

Love it!

Rhiana DeGennaro

1 years ago

Best Vitamin C on the market!

Sandra Wendland

1 years ago

Awesome!

Amelia Youkhanna

1 years ago

Great!

Jamie Darnall

1 years ago

Brightens my skkn and applies easily

Heather Goodenow

1 years ago

Im on my 2nd bottle, this stuff is great

Haley White

1 years ago

My favorite vit c serum!

Satanya Clarke

1 years ago

Best serum ever

Doris Mabe

1 years ago

nice feeling on my face

Joy Miller

1 years ago

Love

Tish Foster

1 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

1 years ago

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

Lynn Proden

1 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

1 years ago

My skin looks so bright! I love this serum!

Judy Bowen

1 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

1 years ago

Great to hydrate and restore healthy skin to your face!

Morgan El-Zeinab

1 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

2 years ago

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

Kayla Wagner

2 years ago

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

Jamie Olson

2 years ago

Keeps my maturing skin glowing!

Ilyssa Feierstein

2 years ago

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

Honey Ackermann

2 years ago

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

Alissa Jeanfreau

2 years ago

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

Michaela Campbell

2 years ago

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

Mary Barthel

2 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

2 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

2 years ago

this is great for anti aging

Cindy Anderson

2 years ago

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

Jane Blanchard

2 years ago

Love it

Cherie Shepard

2 years ago

Love how this helps even my skin

Mechelle Evans

2 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.

Leilani Lohndorf

2 years ago

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

Jeanne Ford

2 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

2 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

2 years ago

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

Dawn Olinger

2 years ago

Wonderful light coverage for am with 4% hydro

Lisa Lamica

2 years ago

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

Savannah HUTTO

2 years ago

Best thing I’ve ever put on my face!

RayAnna Rogers

2 years ago

Love this vit c serum!

Donna Lee

2 years ago

Best vitamin c serum out there!

Stephanie Logan

2 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

2 years ago

Best C Serum on the market!

Pamela Allen

2 years ago

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

Danielle Steele

2 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

2 years ago

This is high quality Vitamin C!

Tammy Collins

2 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