🇩🇪Germany

Cos De BAHA Azelaic Acid 10% Serum for oily acne-prone skin

High

  • HighOily Skin Fit
  • HighEffectiveness
  • HighSafety

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

This fit is calculated for the concerns frequently associated with oily acne-prone skin: shine, breakouts, blemishes, and enlarged pores. 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 oily skin, this serum effectively targets acne and oiliness with azelaic acid and niacinamide, which reduce inflammation and regulate sebum production.
  • Aloe barbadensis leaf extract and panthenol further soothe your skin, enhancing overall comfort and hydration.
  • The product is safe for your skin, containing no harsh ingredients and featuring a blend of soothing botanical extracts.

How to apply

  • Could be used as part of your PM routine. Start 3 times a week and build up to daily use if your skin tolerates it well.
  • Apply your serum after cleansing and toning, but before putting on your moisturizer.
  • Gently press 2 to 3 drops of the serum into your skin and let it absorb for a minute.
  • Apply the serum on clean, dry skin to help manage your blemishes safely.
  • Do a patch test before your first use and avoid the delicate eye area.

People Say

★4.5Overall rating based on 4.5k+ reviews

It is highly effective for acne-prone and sensitive skin, though some users note a tacky finish and occasional crystallization.

Highlights

  • Reduces redness Mostly Mentioned
    • “redness vanished in weeks”
    • “soothes inflamed skin”
    • “best for facial erythema”
  • Affordable price Often Mentioned
    • “unbeatable value”
    • “cheap but effective”
    • “lasts a long time”
    • “budget-friendly skincare”
  • Fades scars Often Mentioned
    • “lightened dark spots”
    • “helped with PIE/PIH”
    • “acne marks fading faster”
    • “brightened overall complexion”
  • Gentle/non-irritating Often Mentioned
    • “no stinging or burning”
    • “great for sensitive skin”
    • “didn't damage barrier”
    • “gentler than prescription”
  • Sticky/tacky finish Often Mentioned
    • “feels sticky after applying”
    • “takes time to dry”
    • “slightly tacky texture”
    • “leaves a film”
  • Controls acne Sometimes Noted
    • “keeps pimples at bay”
    • “reduced cystic acne”
    • “cleared up blackheads”
    • “skin has been pimple-free”
  • Crystallization/grittiness Sometimes Noted
    • “white powder residue”
    • “grainy texture on skin”
    • “crystallized around the rim”
    • “feels sandy sometimes”
  • Causes breakouts Rarely Noted
    • “broke me out in cysts”
    • “caused small whiteheads”
    • “bad reaction/purging”
    • “clogged my pores”
  • Drying/tightness Rarely Noted
    • “dried out my skin”
    • “need heavy moisturizer after”
    • “felt tight upon drying”
    • “caused some peeling”

Sources: lovi.care, iherb.com, skinsort.com, stylekorean.com, reddit.com, yesstyle.com, and more

Questions and answers

What makes Cos De BAHA Azelaic Acid 10% Serum a great fit for oily acne-prone skin?

This serum is a great fit because azelaic acid and niacinamide target acne and oiliness by reducing inflammation and regulating sebum production. Panthenol and aloe extract further soothe your skin while boosting comfort and hydration without harsh ingredients.

Pharmaceutics, 2021American Journal of Clinical Dermatology, 2002

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

Azelaic acid and niacinamide make this serum a great fit because they target acne and help keep oily skin under control. Aloe vera and panthenol add soothing comfort and hydration without clogging pores.

Pharmaceutics, 2021American Journal of Clinical Dermatology, 2002

What does Azelaic Acid do for oily acne-prone skin?

Azelaic acid helps calm angry blemishes, clears out pores, and fades leftover dark marks on oily, acne-prone skin. It targets multiple root causes of breakouts by keeping bacteria in check and reducing swelling, which makes it very helpful for everyday management.

Pharmaceutics, 2021Dermatology and Therapy, 2024

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

Hyaluronic acid helps calm oily acne-prone skin by reducing sebum production and lipid synthesis in sebaceous glands. It also supports skin barrier function and improves hydration while helping deliver treatments without causing irritation.

The Journal of Investigative Dermatology, 2017Journal of Cosmetic Dermatology, 2022

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

This serum goes in your evening routine after cleansing and before moisturizing. Putting treatments in the evening keeps things simple and helps protect your skin around sun exposure.

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

You can use this serum with retinol by applying the serum first and following it with your retinol product. Using this combination helps manage breakouts and smooth your skin while keeping irritation unlikely when introduced gradually.

American Family Physician, 2012

How often should I use this serum?

Use this serum in your evening routine once a week to start, and if your skin feels comfortable, you may carefully use it more often. This product helps target acne and oiliness while soothing your skin with gentle ingredients.

Pharmaceutics, 2021Dermatology and Therapy, 2024

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

This serum is unlikely to cause breakouts for oily acne-prone skin because it targets acne and oiliness with ingredients that reduce inflammation and calm the skin. It has a low likelihood of causing breakouts, though some shoppers do mention a sticky finish.

Pharmaceutics, 2021Dermatology and Therapy, 2024

Is this serum fragrance-free and alcohol-free?

Yes, it has no fragrance and no drying alcohol.

What the research says

  • Azelaic acid nanocrystal hydrogel 10% achieved a higher success rate and greater lesion reduction than azelaic acid cream 20% in patients with mild to moderate facial acne.

    Pharmaceutics, 2021
  • Application of 15% azelaic acid gel significantly reduced post-inflammatory erythema and hyperpigmentation, decreased hemoglobin and melanin content, improved quality of life, and contributed to acne improvement in patients with mild to moderate acne compared to placebo.

    Dermatology and Therapy, 2024
  • Topical dexpanthenol acts as a moisturizer, improves stratum corneum hydration, accelerates wound healing and epidermal regeneration, reduces erythema, and improves symptoms of skin irritation compared to vehicle or no pretreatment.

    American Journal of Clinical Dermatology, 2002
  • A new topical panthenol-containing emollient significantly improved transepidermal water loss reduction, stratum corneum hydration, and intercellular lipid lamellae length compared with control in healthy subjects without negatively impacting bacterial viability.

    The Journal of Dermatological Treatment, 2017
  • A cream combining propolis, tea tree oil, and Aloe vera reduced erythema scars, acne severity index, and total lesion count better than erythromycin cream in sixty patients with mild to moderate acne vulgaris compared to placebo.

    Clinical Pharmacology, 2018
  • Topical application of a dermocosmetic containing Myrtus communis extract and azelaic acid reduced acne relapses and helped maintain remission compared to a light moisturizing cream in adult females in the acne maintenance phase over 16 weeks.

    Journal of the European Academy of Dermatology and Venereology, 2023
  • Topical administration of 20% azelaic acid cream and 5% tranexamic acid solution comparably improved acne-related postinflammatory hyperpigmentation in patients with acne vulgaris, while tranexamic acid demonstrated a significantly better safety profile at week 4.

    Journal of Research in Medical Sciences, 2023
  • Azelaic acid 15% gel showed comparable efficacy to adapalene 0.1% gel in reducing lesions, severity, and Dermatology Life Quality Index in women with adult acne, with significantly lower dryness and scaling, and demonstrated superiority during maintenance compared to no further treatment.

    Journal of the European Academy of Dermatology and Venereology, 2015
  • 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
  • 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
  • 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
  • Topical post-laser application of human adipocyte-derived mesenchymal stem cell media combined with niacinamide significantly improved wrinkle index, melanin index, patient satisfaction, and investigator esthetic improvement scores compared to vehicle cream in patients with aging skin.

    Journal of Cosmetic Dermatology, 2021
  • Topical nicotinamide prevented solar-simulated UV-induced immunosuppression in healthy volunteers, and men experienced immunosuppression at solar-simulated UV doses three times lower than those required for women.

    The Journal of Investigative Dermatology, 2008
  • Topical 5% niacinamide applied twice daily for 12 weeks reduced fine lines and wrinkles, hyperpigmented spots, red blotchiness, and skin sallowness, and improved skin elasticity compared to vehicle control in 50 female white subjects with facial photoaging.

    Dermatologic Surgery, 2005
  • Moisturizer containing 5% panthenol, madecassoside, and copper-zinc-manganese decreased adverse reactions and downtime after ablative fractional carbon dioxide laser resurfacing with comparable efficacy to 0.02% triamcinolone acetonide cream in 20 subjects.

    Journal of Cosmetic Dermatology, 2019
  • Topical dexpanthenol formulated in lipophilic vehicles improved stratum corneum hydration and reduced transepidermal water loss compared to vehicle control in humans.

    Arzneimittel-Forschung, 2000
  • Hyaluronic acid, hyaluronic acid plus dexpanthenol, and isotonic saline nasal sprays all significantly improved dry nose symptoms over four weeks in 240 patients, with hyaluronic acid plus dexpanthenol providing superior nasal moisturisation compared to the other two.

    Auris, Nasus, Larynx, 2020
  • Topical aloe vera gel significantly accelerated split-thickness skin graft donor-site healing compared to placebo in 12 patients, but showed no significant difference in pain relief.

    Plastic and Reconstructive Surgery, 2018
  • Topical application of Aloe vera cream reduced postoperative pain at rest and during defecation, accelerated wound healing at two weeks, and decreased analgesic requirements in patients after open hemorrhoidectomy compared to placebo.

    Journal of Alternative and Complementary Medicine, 2010
  • Formulations containing 0.10%, 0.25%, and 0.50% freeze-dried Aloe vera extract increased stratum corneum water content compared with the vehicle in 20 female subjects, while transepidermal water loss was not modified.

    Skin Research and Technology, 2006

Ingredients

Aloe Barbadensis Leaf Extract, Propylene Glycol, Azelaic Acid, Polysorbate 20, 1,2-Hexanediol, Propanediol, Panthenol, Niacinamide, Sodium Hyaluronate, Camellia Sinensis Leaf Extract, Momordica Charantia Fruit Extract, Sambucus Nigra Flower Extract, Leontopodium Alpinum Extract, Witch Hazel Leaf Extract, Rosmarinus Officinalis Extract Rosemary Extract, Eucalyptus Globulus Leaf Extract, Thymus Vulgaris Extract, Aspalathus Linearis Extract

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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Prices checked 6 Nov 2026

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