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

Katie Hottinger

11 days ago

Great

Whitney Noel

18 days ago

I had my doubts about this. I purchased it for the red veins around my nose. I wanted something to help the redness to fade. Guess what? It took a about 4 months but there was a reduction in the redness. I no longer have to put pancake stick on the sides of my nose. It works.

julie Browning

1 months ago

I use this every morning and have seen major improvement in my skin on my face. Its soft smooth and slowed down the ageing process. I get complements noe on my skin.

Paula Black

1 months ago

This is my go to for vitamin C serum.

Patricia Harrell

2 months ago

This 20% serum is now a staple in my morning regimen. It's powerful, yet gentle as it brightens and protects.

Desiree Hebert

3 months ago

great

Julie Bartholoma

4 months 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

4 months ago

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

Jane Hodgin

5 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

5 months ago

My skin feels very soft

Sarah DeRosa

5 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

6 months ago

This is a must gor me!

Katherine Knicely

7 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

7 months ago

Sarah Risner

7 months ago

A little goes a long way

Kathryn Texiere

8 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

9 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

9 months ago

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

Lily Lusty

10 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

10 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

10 months ago

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

Tatiana Kuzmina

11 months ago

Like the effect of this product to skin

Erin Koser

11 months ago

Must have to keep skin glowing!

Natalie PowellFields

1 years ago

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

Suki Leung

1 years ago

love the result

Jeana Klearman

1 years 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

2 years ago

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

Julie Higginbotham

2 years ago

Soothing

Cait Massie

2 years ago

This is amazing!

Rima chehab

2 years ago

Very nice

Vanessa Cheney

2 years ago

A cult fave. Forver and always. Everyday.

Jennifer Pipkin

2 years ago

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

Celeste Quinonez

2 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

3 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

3 years ago

This product is amazing!

Anna Garrity

3 years ago

Love this product

Lindsay Sanders

3 years ago

Love

Gail Staton

3 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

3 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

3 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

3 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

4 years ago

Love how this helps even my skin

Mechelle Evans

4 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

4 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