What is Guaiazulene?
Antimicrobial
Guaiazulene is an antimicrobial that holds microbes back.
This ingredient is listed in CosIng, the EU's cosmetic ingredient database. CosIng lists what it's used for as: Antimicrobial, Perfuming.
CosIng function classes are the EU's standard list of the jobs an ingredient does inside a product, such as moisturizing, emulsifying, or preserving.
Which products feature it?
30 of the 2320 products we've checked feature this as a key ingredient. Products that disclose a concentration or list it near the top of the ingredient list come first.
Showing 1 to 12.

S.NATURE
Aqua Oasis Blue Calming Ampoule
It's registered in Korea as a functional cosmetic for brightening.
Key: Guaiazulene (#12 on the ingredient list), Niacinamide, Centella Asiatica Extract
16 claims, summarized
- You can expect:
- less visible dark spots
- Only partly backed:
- better hydration · calmer skin
- Tests passed:
- non-comedogenic · skin irritation
See each claim
claims, checked
Take an appropriate amount with the dropper, spread it smoothly along the skin texture, and gently pat for absorption.
backed by evidenceWhitening functional
backed by evidence*Image captured with an infrared camera; differences may occur depending on individual skin characteristics, usage amount, etc.
backed by evidenceIt also contains a whitening functional ingredient notified by the Ministry of Food and Drug Safety.
backed by evidenceClean beauty brand S.NATURE introduces its new product 'Aqua Oasis Blue Calming Ampoule' first at Musinsa.
plausible, not testedThis product was designed with a focus on skin soothing based on S.NATURE's existing hydration line development experience.
plausible, not testedEucalyptus-derived guaiazulene with 99% purity
partly backedThe company explains that the combination of eucalyptus-derived 99% high-purity guaiazulene, 4-type cica complex, and centella extract can help relieve heat and redness of irritated skin.
partly backedThe product completed suitability for acne-prone skin and non-comedogenic testing (conducted at GSC Anti-Aging Lab on 20 subjects aged 14 to 40).
partly backedBlue agave leaf extract and 8-fold hyaluronic acid were added, and S.NATURE emphasizes a reduced-stickiness feel and moisture.
partly backedSensitive skin irritation test was also completed.
partly backedSkin temperature DOWN, immediate -9℃ improvement
overstated8 types of hyaluronic acid
overstatedAlso confirmed test results for soothing relief from physical irritation, temporary skin temperature reduction, improvement of outer and inner moisture immediately after use, and improvement of three-color (yellow, red, brown) marks.
no supporting source foundBecause it's S.NATURE, the brand you trust with exceptional ingredients chosen after much deliberation!
nothing specific to checkThe calming genius balance that is completed when used together.
nothing specific to check

HISTOLAB
AZULENE DNA CREAM
It's registered in Korea as a functional cosmetic for brightening and wrinkle improvement.
Key: Guaiazulene (#13 on the ingredient list), Niacinamide, Adenosine
33 claims, summarized
- You can expect:
- less visible dark spots · softer-looking fine lines
- Only partly backed:
- better hydration · calmer skin (amount unknown)
- Don't count on:
- firmer skin · better barrier support · a brighter skin tone
See each claim
claims, checked
Use until the period stated on the product
backed by evidenceResponsible cosmetics seller: Medians Co., Ltd. / Cosmetics manufacturer: Medians Lab Co., Ltd.
backed by evidenceDual functional cosmetic for whitening and wrinkle improvement
backed by evidenceHelps with skin whitening. Helps with skin wrinkle improvement.
backed by evidenceThis product may be exchanged or compensated in accordance with the Consumer Dispute Resolution Standards announced by the Fair Trade Commission.
backed by evidence1. If abnormal symptoms or side effects such as red spots, swelling, or itching occur on the application site due to direct sunlight during or after use, consult a specialist, etc. 2. Refrain from use on areas with wounds, etc. 3. Precautions for storage and handling: a) Keep out of reach of children b) Store away from direct sunlight
backed by evidenceDual functional: wrinkle improvement and whitening
backed by evidenceAmino Acid Complex 17 types of amino acids / A substance composed of a total of 17 amino acids, it evenly delivers essential nutrients to each layer of the skin. It supplies nutrients to the skin and helps with skin condition care as a raw material for collagen, elastin, and hyaluronic acid. *The above description is limited to raw material properties
backed by evidence*The above clinical data are the results of a test conducted by Medians' affiliated research institute.
backed by evidenceHow to use! / At the final step of skincare, take an appropriate amount, spread it gently over the entire face, and pat to absorb.
backed by evidenceHistolab is not sold online.
backed by evidenceMoisture barrier formation / Forms a moisture barrier on the skin leaving no room for dryness.
plausible, not tested[For Consumer] 80ml / [For Bulk] 500ml
partly backedAZULENE DERMA SCIENCE Real calming solution with azulene energy for sensitive skin / HIGH TECH SKIN CARE Cream helps soothe and revitalize the skin with Sodium DNA / 80 ml / 2.7 fl.oz
partly backedSimultaneous soothing and nutrition care / A solution cream where Azulene and DNA meet.
partly backedContains Azulene, a powerful soothing ingredient extracted from chamomile flowers, and DNA, a key ingredient, to help care for sensitive and loose skin.
partly backedGuaiazulene / An ingredient extracted in high purity by distilling chamomile, it helps soothe and protect skin that easily becomes sensitive and heated by external environments. It is characterized by its own natural blue color from the ingredient, not artificially colored.
partly backedMULTIEX BSASM® PLUS Skin soothing / Quickly soothes sensitive skin with 7 natural compound plant extracts / Patent registration number: 10-0490212
partly backedHuman application test / Skin application test results of Histolab Azulene DNA Cream!
partly backedWrinkles / Wrinkle Percent = 40.2% (Before use) / Wrinkle Percent = 37.9% (After 10 days) / The more the gray area decreases, the better the skin smoothness.
partly backedSkin remodeling effect of two patented ingredients.
overstatedSodium DNA (PDRN), a key ingredient for skin elasticity, is DNA extracted from salmon testes, rich in omega-3 and essential vitamins, and is widely used for food intake as well as for its high human compatibility. *The above description is limited to raw material properties
overstatedElasticity / Pores Count = 2,927 (Before use) / Pores Count = 2,682 (After 10 days) / A decrease in the number indicates improved elasticity.
overstatedPrimary soothing care cream that delivers nutrients to the skin.
no supporting source foundA cream layering two patented ingredients step by step / Two patented ingredients, including Medians' exclusive patented ingredient SRGF H1 Complex™, soothe the skin and build up nutrients layer by layer to strengthen it.
no supporting source foundSRGF H1 COMPLEX™ Skin barrier strengthening / An exclusive patented peptide strengthens the skin barrier to create healthy, vibrant skin / Patent registration number: 10-10579310
no supporting source foundA *LTE low-temperature manufacturing method to fully contain active ingredients / *LTE: Low Temperature Emulsification / Histolab Azulene DNA Cream was made slowly over a long time at low temperature to fully contain active ingredients. / Low-temperature method step 1: Undergoes a cooling process to prevent moisture evaporation / Low-temperature method step 2: Active ingredients are added to the low-temperature base / Low-temperature method step 3: Slow mixing to prevent molecules from breaking
no supporting source found2021.10.18 - 10.27 / This is the test result from Medians' affiliated research institute's internal test. The increase in the blue range and the decrease in the yellow and red ranges indicate that reddish areas disappear and skin tone becomes brighter and more even.
no supporting source foundAZULENE DERMA SCIENCE helps soothe the sensitive skin with botanical ingredients / HICH TECH SKINCARE helps soothe the sensitive skin with botanical ingredients / 80 ml / 6.8 fl.oz
contradicted by sourcesIt is more effective to deliver nutrients after preparing the skin to absorb active ingredients well.
nothing specific to checkThe culmination of Histolab's beauty philosophy that soothes and protects tired skin.
nothing specific to checkPlenty of skin soothing and nutrition! Azulene X DNA
nothing specific to checkEven better when used together: Histolab Azulene skincare / Nurtures healthy skin with step-by-step soothing care.
nothing specific to check

Mamonde
Calming Shot Azulene Toner
Key: Guaiazulene (#13 on the ingredient list), Niacinamide, Tocopherol
5 claims, summarized
- Free of:
- the ingredients it lists
See each claim
claims, checked
Fragrance has been excluded, and due to the nature of azulene, the blue contents may vary depending on temperature and light, but there is no abnormality in the product's efficacy and quality.
backed by evidenceRecommended for skin that is temporarily reddened by external environmental stimuli, when cooling soothing is needed for skin that has become hot, when first-step moisture boosting is needed, and for sensitive skin and dehydrated oily skin.
plausible, not testedIt is a low-irritation formula that has completed dermatological testing, with no significant irritation reactions observed in a primary skin irritation test on 33 subjects, with an irritation index of 0.00.
plausible, not testedWith 0% animal-derived raw materials, it has completed official vegan certification by the Korea Vegan Certification Agency.
plausible, not testedTo skin that has become heated due to external irritation and temperature changes, it delivers moisture-soothing cooling that seeps in refreshingly like a welcome rain to cool down the heat. The light watery formula is quickly absorbed, and the synergy of azulene and niacinamide gently soothes sensitivity, balances oil and moisture, and finishes with clear, calm skin.
overstated

Dear Klairs
EGF Blue Youth Activating Drop
It's registered in Korea as a functional cosmetic for wrinkle improvement.
Key: Guaiazulene (#13 on the ingredient list), Sh-Oligopeptide-1, Sh-Polypeptide-1
45 claims, summarized
- You can expect:
- softer-looking fine lines
- Only partly backed:
- calmer skin (amount unknown) · clearer-looking skin · firmer skin
- Don't count on:
- a brighter skin tone
- Free of:
- the ingredients it lists
- Tests passed:
- non-comedogenic · skin irritation
See each claim
claims, checked
Functional cosmetic for wrinkle improvement.
backed by evidencePrimary skin irritation test completed.
backed by evidenceSensitive skin primary irritation test completed.
backed by evidenceAcne-prone skin suitability test completed.
backed by evidenceFragrance-free formula.
backed by evidenceThe product's blue color is not an artificial pigment but the natural color of the guaiazulene ingredient.
backed by evidenceEGF maximum content 10 ppm
plausible, not testedFGF 10ppm
plausible, not testedA water-type ampoule that is quickly absorbed without residue so that sensitive, acne-prone, and upset skin can use it without burden.
plausible, not testedEGF ampoule that soothes troubled skin and firmly boosts skin stamina.
partly backedMeet the skin-safe blue drop that has completed suitability testing for acne-prone skin.
partly backedSoothes reddened sensitive skin.
partly backedSuitable for use on acne-prone skin.
partly backedContaining EGF and guaiazulene intensively as key ingredients for sensitive care, it provides a comfortable soothing sensation to the skin.
partly backedAdditionally, by excluding as much as possible artificial ingredients such as polymers that enhance spreadability and viscosity modifiers, we designed the formulation to naturally absorb into the skin upon contact.
partly backedSkin irritation index 0.00
partly backedPhysical irritation* soothed by 46.5%.
partly backedHeat irritation* soothed by 21.1%.
partly backedAcne-prone skin sebum* decreased by 63.4%.
partly backedSkin density* improved by 11.8%.
partly backedEye wrinkles* improved by 7.3%.
partly backedSkin elasticity improvement 5.7%.
partly backedFacial lifting improvement 2.5%.
partly backedSkin texture* improved by 11.4%.
partly backedInfused with 1,000ppm Guaiazulene, this natural herbal powerhouse provides immediate relief and deep calming for sensitized skin.
partly backedA 100% fragrance-free, non-comedogenic formula that ensures intensive care without clogging pores or irritating even the most sensitive, acne-prone skin.
partly backedCare for loose-looking skin density.
partly backedBeyond soothing, even to collapsed skin elasticity.
overstatedComfortable active formula without irritation.
overstatedEGF is an epidermal growth factor important for cell proliferation and differentiation, and since EGF in the body sharply declines* after one's 20s, it is necessary to supplement EGF.
overstatedWith FGF peptides added, it makes weakened skin more firm.
overstatedCollagen production 126.3%.
overstated3-Min Instant Calming: Delivers rapid relief for irritated skin, making it the perfect emergency solution for redness & acne.
overstatedA soothing formula filled with EGF X guaiazulene.
overstatedThis is the maximum content that can be put in cosmetics under domestic standards, and if it exceeds 10ppm, it is classified as a pharmaceutical.
no supporting source foundEGF with purity of 95% or higher, identical to the human protein structure.
no supporting source foundSkin absorption is good.
no supporting source foundSkin became smooth.
no supporting source foundHelps soothe skin irritated by external stimuli (physical, thermal).
no supporting source foundHelps improve skin firmness.
no supporting source foundFrom the vegan formula to the packaging, we consider a better direction.
no supporting source foundPost-Acne Mark Recovery: Targets and fades stubborn blemish marks and pigmentation, restoring a clear and even skin tone.
no supporting source foundDear Klairs is cruelty-free.
no supporting source foundIngredient design that soothes weakened skin and replenishes its natural healthiness.
nothing specific to checkWeakened skin condition care.
nothing specific to check
Key: Guaiazulene (#16 on the ingredient list), Centella Asiatica Extract, Ectoin
4 claims checked
claims, checked
A soothing cleansing balm for sensitive skin
overstatedIt cleanly removes makeup, skin flakes and impurities and helps soothe the skin.
overstatedFresh deep cleansing all the way inside the pores
contradicted by sourcesFrom cleansing to makeup, Banila Co, the house of radiant complexion
nothing specific to check

THE LAB by blanc doux
Oligo Hyaluronic Acid Capsule Jelly Mist
With Hyaluronic Acid, you can expect better hydration.
Key: Guaiazulene (#16 on the ingredient list), Hyaluronic Acid, Squalane
8 claims, summarized
- You can expect:
- better hydration
See each claim
claims, checked
Oligo Hyaluronic Acid (Moisture)
backed by evidenceMoisture cling! A capsule jelly mist that, without oiliness, attaches only moisture.
plausible, not tested1. The moment you spray, a moisture sticker that fills and attaches moisture.
plausible, not tested2. With clean Canadian glacier water, moisture cooling care from heat to tightness.
partly backedLow molecular weight hyaluronic acid and 11 types of peptides fill moisture.
partly backed3. Without makeup collapse, the makeup absorption effect that leaves a moisture glow.
no supporting source foundMoisture cling! A capsule jelly mist that, without oiliness, attaches only moisture. 1. The moment you spray, a moisture sticker that fills and attaches moisture. 2. With clean Canadian glacier water, moisture cooling care from heat to tightness. 3. Without makeup collapse, the makeup absorption effect that leaves a moisture glow.
nothing specific to checkMoisture cling! A capsule jelly mist that, without oiliness, attaches only moisture. 1. The moment you spray, a moisture sticker that fills and attaches moisture. 2. With clean Canadian glacier water, moisture cooling care from heat to tightness. 3. Without makeup collapse, the makeup absorption effect that leaves a moisture glow.
nothing specific to check

Derma Factory
BE;ZERO Comfort Cream
Key: Guaiazulene (#17 on the ingredient list), Panthenol 5%
10 claims, summarized
- Don't count on:
- calmer skin · better hydration · a smoother skin texture · better barrier support
- Tests passed:
- hypoallergenic
See each claim
claims, checked
D-PANTHENOL 5% GUAIAZULENE 50ppm
plausible, not testedD-Panthenol is a provitamin B5 that changes into vitamin B5 when absorbed into the skin, helping to protect and strengthen the skin barrier. It has the property of attracting moisture, making it an excellent moisturizing ingredient.
plausible, not testedDERMA FACTORY be:zero Comfort Cream is a low irritant hypoallergenic cream that contains 5% D-panthenol together with 50 ppm Guaizulene and provides comfortable moisturizing to sensitive skin and strengthens and protects the skin barrier.
partly backedCertified vegan, 0.00 of Skin irritation level, Sub-acidic, Minimal ingredients.
partly backedGuaizulene is a blue-colored ingredient that is excellent at soothing heated and irritated skin. This essence, which has a blue color unique to Azulene, delivers soothing effects to the skin.
overstatedThe lightweight moisturizing cream formula wraps the skin comfortably and provides intensive care for dead skin cells, redness, and tightness caused by skin dryness .
overstatedThe non-occlusive formulation delivers intensive moisture without suffocation, addressing dryness-induced redness, flakiness, and tightness.
overstatedFree from artificial colorants, this minimalist approach ensures zero irritation for consistently healthy skin.
overstatedA clinically-tested hypoallergenic formula designed specifically for sensitive skin.
no supporting source foundThis pH-balanced cream (3.8-5.8) features 5% D-Panthenol to strengthen your skin barrier while guaiazulene provides exceptional soothing properties.
no supporting source found

ongredients
Bakuchiol Glow Capsule Lotion
Key: Guaiazulene (#17 on the ingredient list), Bakuchiol, Niacinamide

MAMONDE
Calming Shot Azulene Ampoule
It's made for better hydration and calmer skin.
Key: Guaiazulene (#18 on the ingredient list), Niacinamide, Chamomilla Recutita (Matricaria) Flower Water
28 claims, summarized
- Only partly backed:
- better hydration · calmer skin · less shine · less visible dark spots
- Free of:
- 8 listed ingredients
- Tests passed:
- skin irritation
See each claim
claims, checked
Deep moisture, fast soothing, and cleanly clears troubles*, blemish marks and traces! High-purity azulene mark-soothing moisture ampoule
partly backedSkin surface & inner moisture recharge, pigmentation improvement, skin soothing
partly backedBlue.C Azulene, Niacinamide
partly backedPigmentation area 2-week improvement -16.4%
partly backedImmediately after use, compared to no application, skin 10 layers* +209.67%
partly backedRapid cooling after just one use -5.17℃
partly backedAfter 2 weeks of use, compared to before use, number of pigmentation marks -16.3%
partly backedAfter 2 weeks of use, compared to before use, number of red marks* -13.46%
partly backedAfter 2 weeks of use, compared to before use, number of brown marks* -3.2%
partly backedImmediately after use, compared to before use, redness* -4.3%
partly backedSkin 10 layers* inner moisture increase
partly backedImmediately after use, compared to before use, sebum decrease -5.14%
partly backedImmediately after use, compared to before use, moisture increase +23.79%
partly backedSoothing, sebum care, barrier strengthening effects, and niacinamide 40,000ppm, a whitening functional ingredient
partly backedThis product showed no significant skin irritation response in the primary skin irritation test. (score 0.0)
partly backedVegan certification complete: 0% animal-derived ingredients (officially certified by Korea Vegan Certification Institute)
partly backedNew formula* filled with moisture
partly backedWater jelly ampoule formula with a blue color derived from azulene, soothing just from looking at it
partly backedCooling tail effect that stretches and sustains the initial cooling sensation upon use
partly backedExcludes 8 unnecessary ingredients
partly backedPerceived skin texture improvement +19.6%
no supporting source foundPerceived oiliness improvement +20.6%
no supporting source found- Immediately after use -23.95%
no supporting source foundOverall satisfaction - 100%
no supporting source foundAzulene with soothing power faster than cica
no supporting source found99% high-purity azulene extracted from chamomile
no supporting source foundDermatology test completed: DERMATOLOGICALLY TESTED
no supporting source foundCompared to existing Mamonde liquid formula moisture ampoule, the more you roll on skin, the more dramatic the absorption
no supporting source found
Key: Guaiazulene (#20 on the ingredient list), Titanium Dioxide, Chamomilla Recutita (Matricaria) Extract

HERA
MAKEUP REMOVER
It's made for calmer skin.
Key: Guaiazulene (#21 on the ingredient list), Allantoin, Hyaluronic Acid
7 claims, summarized
- Only partly backed:
- calmer skin (amount unknown)
See each claim
claims, checked
A refreshing water-based makeup remover.
backed by evidenceA refreshing and soft texture like water.
backed by evidenceExperience a gentle cleansing ritual with a water-like light formula. It provides a refreshing finish without any stickiness felt immediately after cleansing.
partly backedSoothing cleansing with no burden on the eyes.
partly backedAllantoin comfortably soothes tired eye areas, providing a moist, low-irritation cleansing moment.
partly backedStrong cleansing power that removes point makeup with one touch.
overstatedWaterproof makeup is also removed cleanly and without residue with just one touch.
no supporting source found
Cell Fusion C
포스트 알파 쿨링 패드 (Korean)This brand publishes no English name for this product. The name above is as printed in Korean.
Key: Guaiazulene (#23 on the ingredient list), Methyl Diisopropyl Propionamide, Chamomilla Recutita (Matricaria) Extract
5 claims checked
claims, checked
Immediate cooling of heated skin temperature in only 3 seconds
partly backedGlacier water cooling essence fully filled in the pad
partly backedIt is a glacier water essence pad that instantly cools heated skin temperature in only 3 seconds
partly backedGlacier water essence lowers skin temperature and cultivates skin that absorbs makeup well
no supporting source foundLong-lasting cool makeup.well.absorbing cheat key pad
nothing specific to check
Often featured alongside it
Are the claims about it backed up?
We checked each claim that features this ingredient. Open the list below to see the result for each one.
See the results by claim
| Result | Claims |
|---|---|
| backed by evidence | 3 of 27 |
| plausible, not tested | 2 of 27 |
| partly backed | 13 of 27 |
| overstated | 3 of 27 |
| no supporting source found | 4 of 27 |
| nothing specific to check | 2 of 27 |
These are counts of claims, not products. One product can name the same ingredient in several claims, and we checked each one on its own.

