La Roche-Posay PURE VITAMIN C12 SÉRUM for combination skin
Ascorbic Acid
Glycerin
Hyaluronic AcidAverage
- HighCombination Skin Fit
- AverageEffectiveness
- HighSafety
Works for combination skin; other serums fit it better.
This fit is calculated for the concerns frequently associated with combination skin: an oily T-zone, enlarged pores, and dry cheeks. For scores and recommendations based on your full skin profile, including your 12D face scan results and any goals or preferences you have, please use the Lovi app.
Page built Nov 8, 2026How the Fit score works
Lovi Assistant explains
- Highly suitable for your combination skin, this serum utilizes Ascorbic Acid and Hyaluronic Acid for antioxidant activity and hydration, which can support your oily shine concerns. Tocopherol and Glycerin further enhance skin hydration, offering general skincare benefits that are supportive for combination skin.
- The presence of Ascorbic Acid provides moderate brightening effects, aiding in evening your skin tone.
- The safety profile is excellent, with no risks of irritation for your combination skin due to the absence of prohibited or harsh ingredients.
How to apply
- Use your serum as part of your PM routine. Start using it 3 times a week and move to daily use if your skin likes it.
- Apply the serum after cleansing and toner, and right before your moisturizer.
- Gently press 2-3 drops of the serum into your skin and wait a minute ⏳for it to soak in.
- Apply the serum on clean and dry skin since your skin is not sensitive.
- Always do a patch test before using the serum for the first time, and avoid the eye area .
People Say
★4.7Overall rating based on 300+ reviewsUsers consistently praise the serum for its ability to smooth skin texture and boost radiance, often noting it absorbs quickly without leaving a sticky residue. While many with sensitive skin find the formula gentle and effective for brightening, some users express frustration with the product oxidizing too quickly and the dropper design leading to wastage.
Highlights
Improves texture Often Mentioned
- “smoother skin”
- “instant glow”
- “refined texture”
Lightweight feel Often Mentioned
- “absorbs beautifully”
- “non-greasy”
- “sinks right in”
Gentle formula Sometimes Noted
- “doesn't irritate”
- “calming”
Pleasant scent Sometimes Noted
- “fresh scent”
- “enjoy the fragrance”
High price Sometimes Noted
- “expensive”
- “pricey for amount”
- “runs out fast”
Oxidizes quickly Sometimes Noted
- “turning orange”
- “oxidizing fast”
- “going bad”
Poor dropper Sometimes Noted
- “pipette doesn't work”
- “dispenses poorly”
- “spillage”
Strong scent Rarely Noted
- “extremely strong”
- “overpowering”
Sources: lovi.care, cocooncenter.co.uk, lovelyskin.com, escentual.com, ulta.com, and more
Questions and answers
How well does La Roche-Posay Pure Vitamin C12 work for combination skin?
This serum works for combination skin by delivering antioxidants and hydration that help support oily shine and brighten uneven skin tone without causing irritation. Treatments that fit this skin type even better typically need ingredients like niacinamide, propolis, or zinc PCA to regulate oiliness and enhance radiance.
Which ingredients make this serum a good fit for combination skin?
This serum works for your combination skin because it contains Ascorbic Acid, Hyaluronic Acid, and Glycerin, which help brighten your skin tone and provide hydration to balance oily shine. However, a product for this skin type also needs ingredients like niacinamide, zinc PCA, or propolis to better regulate oiliness and enhance radiance without any imbalance.
What does Vitamin C do for combination skin?
Vitamin C helps brighten dull areas and smooth out uneven texture on combination skin while protecting against daily environmental stress. It may also help keep pores clear and skin firm by supporting collagen production, though drier spots may need an added moisturizer to stay comfortable.
What does Glycerin do for combination skin?
Glycerin helps keep combination skin soft and smooth by pulling moisture in and keeping it there. It improves hydration and supports your skin barrier, which is unlikely to cause irritation.
The British Journal of Dermatology, 2008Clinical, Cosmetic and Investigational Dermatology, 2017
Where does this serum go in a skincare routine for combination skin?
This serum goes in the evening routine after cleansing and before moisturizing. Combination skin works best with an antioxidant serum and hydrating ingredients like glycerin and hyaluronic acid to help manage oily shine while keeping the skin soft and smooth.
Can I use this serum with retinol, and in what order?
You can use this serum with retinol by applying this vitamin C treatment in the morning and your retinol at night to avoid overwhelming your skin. This product is safe and unlikely to cause irritation, but using them at different times of day helps your skin handle both active ingredients comfortably.
How often should I use this serum?
You can use this serum in your evening routine for simplicity and extra safety around sun exposure, starting once a week and using it more often if you tolerate it well. This type of product works best for combination skin when it includes hydrating and balancing ingredients like Ascorbic Acid, Hyaluronic Acid, and Glycerin.
Can this serum clog pores, cause breakouts or purging for combination skin?
This serum is unlikely to cause breakouts or clog pores on combination skin, as it has an excellent safety profile without harsh ingredients. It helps keep skin balanced by using glycerin and hyaluronic acid for lightweight hydration while brightening tone.
Is this serum fragrance-free and alcohol-free?
It has no fragrance and contains drying alcohol (alcohol denat).
What the research says
A single application of a moisturizing fluid containing hyaluronic acid 1%, glycerin 5%, and Centella asiatica stem cells extract significantly increased skin hydration by 29% and reduced transepidermal water loss at 24 hours compared to baseline and an untreated control site in twenty healthy women.
Clinical, Cosmetic and Investigational Dermatology, 2017A 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, 2020Topical 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, 2003Ascorbic acid 2-glucoside gel significantly reduced gingival melanin pigmentation after 4 weeks compared to placebo in 73 subjects with symmetric pigmentation.
Journal of Periodontology, 2009Topical 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, 2022The emollient V0034CR significantly reduced TEWL compared to vehicle and vehicle plus glycerol, and significantly increased corneometry scores compared to vehicle and vehicle plus petrolatum in healthy volunteers with dry skin, demonstrating combined barrier function improvement from petrolatum and hydration improvement from glycerol.
Journal of Cosmetic Dermatology, 2020Ten days of treatment with a cream containing 20% glycerin significantly increased skin hydration measured by corneometer values in 17 healthy volunteers compared to a placebo cream, but showed no influence on transepidermal water loss or skin sensitivity to an irritating surfactant.
International Journal of Cosmetic Science, 2001Niacinamide/glycerin body moisturizers provided better rapid and prolonged improvement of cosmetic xerosis through functional improvement of stratum corneum barrier function compared to no treatment and conventional moisturizers in female subjects.
Journal of Drugs in Dermatology, 2012Topical 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, 2011Topical 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, 2022Treatment 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
Ingredients
Water, Ascorbic Acid, Glycerin, Alcohol Denat, Propylene Glycol, Pentylene Glycol, Polysorbate 20, Sodium Hydroxide, Hyaluronic Acid, Adenosine, Caprylyl Glycol, Hydrolyzed Hyaluronic Acid, Xanthan Gum, Tocopherol, Phenoxyethanol
Behind this fit score
Lovi calculates every fit score from the full ingredient list with brand-independent rules our 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.
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Dr. Sofía Perea Pérez, MD, MSc
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Specialist dermatologist, MBBS, MD, IFAAD
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Elina Nazarenko, MD
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Dermatology and diagnostic consultant
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Victoria Derkova, MS
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