# Obagi Professional-C Serum 20% for acne-prone skin

**Lovi Fit: High fit for acne-prone skin.**
Combination Skin Fit: High · Effectiveness: High · Safety: High.

Page: https://lovi.care/skincare/ie/p/obagi/professional-c-serum-20/for/acne-prone-skin

The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for Ireland.

Brand: [Obagi](https://lovi.care/skincare/ie/brands/obagi)
Category: [Serums and treatments](https://lovi.care/skincare/ie/best/serums)

This fit is calculated for the concerns frequently associated with acne-prone skin: breakouts, blackheads, and post-acne marks. For scores based on a full skin profile (12D face scan, goals, preferences), use the Lovi app.

A great choice for acne-prone skin; a few serums fit it even better.

## Why this fit

- Offers excellent brightening and antioxidant protection for your combination skin, as ascorbic acid and ascorbyl glucoside work to even skin tone and shield from environmental stressors.
- The formula provides relevant benefits for your acne, blemishes, and breakouts by offering antioxidant and mild exfoliating functions.
- The safety profile is excellent, with no risks of irritation for your combination skin due to the absence of prohibited or harsh ingredients.

## Fit by skin type

- [Oily skin](https://lovi.care/skincare/ie/p/obagi/professional-c-serum-20/for/oily-skin): High
- [Dry skin](https://lovi.care/skincare/ie/p/obagi/professional-c-serum-20/for/dry-skin): Low
- [Combination skin](https://lovi.care/skincare/ie/p/obagi/professional-c-serum-20/for/combination-skin): High
- [Sensitive skin](https://lovi.care/skincare/ie/p/obagi/professional-c-serum-20/for/sensitive-skin): Average
- [Acne-prone skin](https://lovi.care/skincare/ie/p/obagi/professional-c-serum-20/for/acne-prone-skin): High (this page)
- [Skin with dark spots](https://lovi.care/skincare/ie/p/obagi/professional-c-serum-20/for/dark-spots): Average
- [Mature skin](https://lovi.care/skincare/ie/p/obagi/professional-c-serum-20/for/mature-skin): Average
- [Dry sensitive skin](https://lovi.care/skincare/ie/p/obagi/professional-c-serum-20/for/dry-sensitive-skin): Low
- [Oily acne-prone skin](https://lovi.care/skincare/ie/p/obagi/professional-c-serum-20/for/oily-acne-prone-skin): High

## Key ingredients

Ascorbic Acid, Sodium Hyaluronate, Ascorbyl Glucoside, Zinc Chloride, Propylene Glycol

## What the research says

- A topical serum containing vitamin C, vitamin E, and raspberry leaf cell culture extract improved skin color, elasticity, radiance, smoothness, scaliness, and wrinkles compared to the untreated contralateral side in fifty female volunteers. ([Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31975502/))
- Treatment with ascorbyl glucoside-arginine complex lotion significantly decreased pigmentation scores and melanin index while increasing lightness in solar lentigos of Japanese females compared to placebo over 24 weeks. ([International Journal of Molecular Sciences, 2024](https://pubmed.ncbi.nlm.nih.gov/39769217/))
- Topical application of 5% vitamin C cream significantly improved global clinical scores, increased skin microrelief density, and induced elastic tissue repair in photoaged skin compared to excipient control in healthy female volunteers. ([Experimental Dermatology, 2003](https://pubmed.ncbi.nlm.nih.gov/12823436/))
- Ascorbic acid 2-glucoside gel significantly reduced gingival melanin pigmentation after 4 weeks compared to placebo in 73 subjects with symmetric pigmentation. ([Journal of Periodontology, 2009](https://pubmed.ncbi.nlm.nih.gov/19186973/))
- Topical application of VC-IP cream twice daily for 8 weeks reduces periorbital wrinkles in female subjects compared to a placebo cream. ([Journal of Cosmetic Dermatology, 2022](https://pubmed.ncbi.nlm.nih.gov/34910367/))
- Topical application of 0.1% hyaluronic acid formulations of different molecular weights led to significant improvements in skin hydration and elasticity, with low-molecular-weight formulations also significantly reducing wrinkle depth in seventy-six female subjects compared to a vehicle control. ([Journal of Drugs in Dermatology, 2011](https://pubmed.ncbi.nlm.nih.gov/22052267/))
- Topical application of hyaluronic acid in conjunction with free gingival graft significantly reduced donor site postoperative pain until day 7 compared to normal saline, with no significant differences in graft dimensions or patient satisfaction. ([Clinical Oral Investigations, 2022](https://pubmed.ncbi.nlm.nih.gov/34623507/))
- Treatment with a hyaluronic acid-containing mouth rinse or topical gel led to significant lesion reduction, pain relief, and normalization of lesion color in adult patients with minor recurrent aphthous stomatitis, with the gel formulation showing an earlier healing onset at 3 days. ([BMC Oral Health, 2019](https://pubmed.ncbi.nlm.nih.gov/31311529/))
- An aloe-alginate film dressing showed no statistical difference in wound contraction but demonstrated anti-inflammatory activity, stimulated angiogenesis, and increased collagen type I fibers while decreasing type III fibers compared to sterile gauze in rats with incisional skin wounds. ([Acta Cirurgica Brasileira, 2020](https://pubmed.ncbi.nlm.nih.gov/32638846/))
- Treatment with a combination of propylene glycol, ethanol, water, and shampoo was found effective, easy to use, and cosmetically attractive with no observed side effects in patients with dandruff. ([Cutis, 1988](https://pubmed.ncbi.nlm.nih.gov/2970946/))
- A moisturizer containing glycerol and propylene glycol reduced transepidermal water loss, decreased epidermal thickness, increased stratum corneum thickness, and reduced dermal inflammatory infiltrate compared to untreated disrupted skin in six healthy beagle dogs. ([Veterinary Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/32628309/))

## What reviewers say

Based on a very large amount of data, users with normal to oily skin report this high-potency serum provides a significant glow and brightens the complexion while improving skin texture. Many reviewers praise its effectiveness in fading hyperpigmentation, acne scars, and sun spots. Some users note it can be drying or irritating for sensitive skin types.

- Liked: Brightens complexion (mostly mentioned)
- Liked: Fades dark spots (often mentioned)
- Liked: Absorbs quickly (sometimes noted)
- Liked: Smoothes skin texture (sometimes noted)
- Disliked: High price point (sometimes noted)
- Disliked: Oxidizes quickly (sometimes noted)
- Liked: Reduces fine lines (rarely noted)
- Disliked: Causes dryness/irritation (rarely noted)
- Disliked: Poor packaging (rarely noted)

## How to apply

- Use your serum as part of your PM routine and start 3x/week before working up to daily use.
- Apply this treatment after cleansing and toner, and before your moisturizer.
- Gently press 2-3 drops of the serum into your skin and let it absorb for a minute.
- Apply the product on clean, dry skin to help manage your breakouts safely.
- Avoid the eye area and do a patch test before your first use.
- Video: https://storage.pora.ai/c879dda8655a61c19d3d8c9ebad6b06d.mp4

## Questions and answers

### What makes Obagi Professional-C Serum 20% a great fit for acne-prone skin?

This serum is a great fit for your acne-prone skin because it offers antioxidant protection and mild exfoliating functions that help with breakouts and blemishes while evening out your skin tone. It is also unlikely to cause irritation since the formula lacks harsh ingredients.
Sources: [Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31975502/)

### Which ingredients make this serum a good fit for acne-prone skin?

Ascorbic acid and ascorbyl glucoside make this serum a great fit for acne-prone skin by providing antioxidant protection and mild exfoliating benefits to help manage blemishes. The formula also includes sodium hyaluronate to keep skin soft and smooth without adding heavy oils.
Sources: [Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31975502/), [International Journal of Molecular Sciences, 2024](https://pubmed.ncbi.nlm.nih.gov/39769217/)

### What does Vitamin C do for acne-prone skin?

Vitamin C helps brighten skin, smooth out uneven tones, and fade dark spots left behind by breakouts. It is also packed with antioxidants that may help protect acne-prone skin from everyday environmental stress.
Sources: [Journal of Cosmetic Dermatology, 2023](https://pubmed.ncbi.nlm.nih.gov/37128827/), [Journal of Drugs in Dermatology, 2024](https://pubmed.ncbi.nlm.nih.gov/39231081/)

### What does Hyaluronic Acid do for acne-prone skin?

Hyaluronic acid helps acne-prone skin by soothing irritation, calming redness, and keeping the skin balanced without clogging pores. When combined with targeted ingredients like zinc oxide, it may also help reduce breakouts.
Sources: [Biomedicines, 2025](https://pubmed.ncbi.nlm.nih.gov/41007718/), [Drug Delivery, 2017](https://pubmed.ncbi.nlm.nih.gov/28155509/)

### Where does this serum go in a skincare routine for acne-prone skin?

This serum goes in the evening routine for acne-prone skin, placed after cleansing and toning and before moisturizing. Putting this treatment in the evening helps keep the routine simple and adds extra safety around sun exposure.

### Can I use this serum with retinol, and in what order?

You can use this serum in your morning routine and retinol at night to avoid overwhelming your skin with too many strong ingredients at once. Using them on separate schedules helps prevent irritation while still giving you brightening and breakout-fighting benefits.

### How often should I use this serum?

You can use this treatment in the evening as part of your routine. It is a great fit for your acne-prone skin because it offers antioxidant protection and helps manage breakouts without harsh irritation.
Sources: [Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31975502/)

### Can this serum clog pores, cause breakouts or purging for acne-prone skin?

This serum is unlikely to cause breakouts or clog pores on acne-prone skin because it contains no harsh or prohibited ingredients that trigger irritation. The formula helps calm and brighten your skin while providing mild exfoliating benefits.

### Is this serum fragrance-free and alcohol-free?

It has no fragrance and contains drying alcohol (alcohol).

## Alternatives for acne-prone skin

- [Beauty of Joseon Propolis + Niacinamide Glow Serum](https://lovi.care/skincare/ie/p/beauty-of-joseon/propolis-niacinamide-glow-serum/for/acne-prone-skin) — Superior fit — €14.94 at Amazon
- [Neogen Dermalogy Real Niacinamide 15% Firming Serum](https://lovi.care/skincare/ie/p/neogen-dermalogy/real-niacinamide-15-firming-serum/for/acne-prone-skin) — Superior fit — €52.57 at Amazon
- [SkinCeuticals C E Ferulic](https://lovi.care/skincare/ie/p/skinceuticals/c-e-ferulic/for/acne-prone-skin) — Superior fit — €185.00 at Amazon

## Pairs well with

- Cleanser: [B.LAB Matcha Hydrating Foam Cleanser](https://lovi.care/skincare/ie/p/b-lab/matcha-hydrating-foam-cleanser/for/acne-prone-skin) — Superior fit — €13.40 at Amazon
- Hydrating Toner: [SOME BY MI Snail Truecica Miracle Repair Toner](https://lovi.care/skincare/ie/p/some-by-mi/snail-truecica-miracle-repair-toner/for/acne-prone-skin) — Superior fit — €19.99 at Amazon
- Moisturizer: [Some By Mi Yuja Niacin Brightening Moisture Gel Cream](https://lovi.care/skincare/ie/p/some-by-mi/yuja-niacin-brightening-moisture-gel-cream/for/acne-prone-skin) — Superior fit — €18.99 at Amazon

## Where to buy

- Notino: €86.50 (https://www.notino.ie/obagi/professional-c-20-concentrated-serum-with-vitamin-c/p-16196437/)
Prices checked 10 Oct 2026.

## Ingredients

Propylene Glycol, Water, Ascorbic Acid, Alcohol, Ascorbyl Glucoside, Ethoxydiglycol, Phenoxyethanol, Sorbitol, Sodium Hyaluronate, Zinc Chloride, Calcium Hydroxide
## About the Lovi Fit

Lovi: Unbiased, science-based skincare AI trained on real user outcomes.

Lovi calculates every fit score from the full ingredient list with brand-independent rules its dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update. Levels from best to worst: Superior, High, Average, Low, Caution, Warning.

Behind this fit score: Nadia Kapleva, MS (Co-founder, Medical Director); Alexey Shagraev, PhD (Co-founder, CEO and CTO); Dr. Sofía Perea Pérez, MD, MSc (Medical Board); Aishani Shah, MD (Medical Board); Asya Zubkova, MS (Medical Board); Hanna Kurets, MD (Medical Board, Medical Advisor); Elina Nazarenko, MD (Medical Board); Victoria Derkova, MS (Medical Board).

Page built Nov 8, 2026.

More from Lovi: https://lovi.care/skincare/llms.txt

## This page in other countries

- United States: https://lovi.care/skincare/p/obagi/professional-c-serum-20/for/acne-prone-skin
- United Kingdom: https://lovi.care/skincare/uk/p/obagi/professional-c-serum-20/for/acne-prone-skin
- Ireland: https://lovi.care/skincare/ie/p/obagi/professional-c-serum-20/for/acne-prone-skin (this page)
- Germany: https://lovi.care/skincare/de/p/obagi/professional-c-serum-20/for/acne-prone-skin
- France: https://lovi.care/skincare/fr/p/obagi/professional-c-serum-20/for/acne-prone-skin
- Italy: https://lovi.care/skincare/it/p/obagi/professional-c-serum-20/for/acne-prone-skin
- Netherlands: https://lovi.care/skincare/nl/p/obagi/professional-c-serum-20/for/acne-prone-skin
- Spain: https://lovi.care/skincare/es/p/obagi/professional-c-serum-20/for/acne-prone-skin
- Canada: https://lovi.care/skincare/ca/p/obagi/professional-c-serum-20/for/acne-prone-skin
- Australia: https://lovi.care/skincare/au/p/obagi/professional-c-serum-20/for/acne-prone-skin
- Singapore: https://lovi.care/skincare/sg/p/obagi/professional-c-serum-20/for/acne-prone-skin
- Saudi Arabia: https://lovi.care/skincare/sa/p/obagi/professional-c-serum-20/for/acne-prone-skin
- United Arab Emirates: https://lovi.care/skincare/ae/p/obagi/professional-c-serum-20/for/acne-prone-skin