Bisabolol (α-Bisabolol) — A Soothing Anti-Inflammatory Terpene Alcohol

A naturally occurring terpene alcohol found in German chamomile, the Brazilian candeia tree, and produced synthetically. Valued for its anti-inflammatory and skin-calming properties, bisabolol appears in 4,701 products in our database. The CIR Expert Panel concluded it is safe as used in cosmetics, though it is classified as a weak skin sensitizer (GHS H317) — overall well-tolerated but not zero-risk.

Data sources: EU CosIng (#74499), CIR Safety Assessment (Final Report 1997, Re-Review 2015), RIFM Fragrance Ingredient Safety Assessment (2020), and SkinSenseDiary internal evaluation. Last updated: April 2026.

At a Glance

Also Known As
α-Bisabolol, Levomenol, 紅沒藥醇
CAS Number
515-69-5
CosIng Functions
Fragrance, Skin Conditioning, Soothing
Source
Natural (chamomile, candeia tree) / Synthetic
Korean Name
비사보롤
Regulation
No restrictions

What Is Bisabolol?

A skin-conditioning agent commonly sourced from chamomile, the Brazilian candeia tree, or produced synthetically. It is used in cosmetic formulations for its anti-inflammatory properties and may help soothe irritated skin and reduce the appearance of redness. Bisabolol also functions as a fragrance ingredient. While it has a generally favourable safety profile, it is classified as a weak skin sensitizer (GHS H317) — well-tolerated by most users, but individuals with fragrance sensitivities should exercise caution.


(−)-α-Bisabolol (CAS No. 515-69-5) is an unsaturated monocyclic terpene alcohol with the molecular formula C15H26O and a molecular weight of 222.37 g/mol. It is a major component of chamomilla recutita (matricaria) flower oil, which may contain up to 41.45% (−)-α-bisabolol. While natural bisabolol is extracted from chamomile or the Brazilian candeia tree (Vanillosmopsis erythropappa), it can also be produced synthetically. Bisabolol exists in both α- and β-configurations with four stereoisomers; the (−)-α-bisabolol form is the one most commonly used in cosmetics.


According to CIR data, bisabolol was used in 184 cosmetic formulations at typical concentrations of 0.1–0.2%. By the 2015 re-review, the frequency of use had increased substantially while concentrations remained unchanged. The RIFM safety assessment (2020) documented industry use ranging from 0.001% in lipsticks to 1% in underarm deodorants. Notably, bisabolol has been shown to act as a skin penetration enhancer, with synergistic effects when combined with propylene glycol — the CIR Panel specifically cautioned formulators about increased absorption of other ingredients in formulations containing bisabolol.

What Does Bisabolol Do for Your Skin?

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Anti-Inflammatory

Bisabolol's most studied property is its anti-inflammatory activity. It is commonly used in formulations intended to calm irritated skin and may help reduce the appearance of redness from environmental stressors. Frequently found in after-sun and post-procedure products.

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Skin Soothing

Acts as a gentle skin-conditioning agent that calms sensitive and reactive skin. Particularly beneficial for those with rosacea-prone or easily irritated skin, helping to restore comfort and reduce visible irritation.

Penetration Enhancement

Clinical studies show bisabolol enhances the absorption of other active ingredients through the skin. This makes it valuable in formulations where it can boost the efficacy of companion ingredients like vitamins and peptides.

🛡️

Generally Well-Tolerated

CIR concluded "safe as used" and RIFM confirmed a NESIL of 5,500 μg/cm², placing bisabolol as a weak sensitizer with a high threshold. Negative for sensitization at 0.1% in clinical testing and negative for phototoxicity. However, GHS H317 classification means some individuals — particularly those with fragrance allergies — may experience skin reactions.

Generally suitable for: Most skin types — sensitive, dry, combination, and normal. Commonly used in formulations for irritation-prone skin. Individuals with fragrance allergies should patch-test first. Individual tolerance may vary.

Is Bisabolol Safe?

1 / 10

Low Hazard

The CIR Expert Panel (1997, reaffirmed 2015) concluded that bisabolol is safe as used in cosmetic formulations. RIFM (2020) confirmed MOE > 100 for all systemic endpoints. EU approved with no restrictions.

Our rating is based on
CIR — Cosmetic Ingredient Review
Safe as Used (1997, reaffirmed 2015)
28-day dermal NOAEL of 200 mg/kg/day in rats. Not genotoxic (negative Ames and chromosome aberration tests). Non-sensitizing at 0.1% in clinical testing. Frequency of use has increased since original assessment while concentrations remain unchanged.
EU Cosmetics Regulation
No Restrictions
Not listed in Annex II (prohibited), III (restricted), or IV (colorants). Registered in CosIng as #74499. EU-wide unrestricted use in cosmetics.
Allergen & Sensitivity
Low Sensitization Risk
No allergen flags in our database. However, GHS classification H317 (Skin Sens. 1) applies — may cause an allergic skin reaction in susceptible individuals. RIFM NESIL of 5,500 μg/cm² indicates a high threshold for sensitization induction. Negative for phototoxicity.
Approved Functions
Fragrance · Skin Conditioning · Soothing
EU CosIng approved functions.
GHS Hazard Classifications
H317 — Skin Sensitization (Category 1)
May cause an allergic skin reaction. Health hazard — applies to susceptible individuals. RIFM NESIL of 5,500 μg/cm² indicates a high sensitization threshold.
H411 — Aquatic Chronic Toxicity (Category 2)
Toxic to aquatic life with long lasting effects. Environmental hazard classification — not directly relevant to skin safety at cosmetic use concentrations.

Things to Know

Although bisabolol has a high sensitization threshold (NESIL 5,500 μg/cm²), it carries a GHS H317 classification for skin sensitization. Individuals with known fragrance allergies or very sensitive skin should patch-test first.

Bisabolol is a demonstrated skin penetration enhancer, particularly synergistic with propylene glycol. While this can boost the efficacy of beneficial active ingredients, formulators should be aware it may also increase absorption of potentially irritating ingredients.

The CIR Panel specifically noted that bisabolol is used in baby products and cautioned about the possibility of increased absorption of other ingredients whose safety is based on their lack of dermal absorption.

Pregnancy & Nursing

The CIR 1997 report found bisabolol was not teratogenic in an oral dose study using rats. The RIFM 2020 assessment confirmed a developmental NOAEL of 980 mg/kg/day, with a calculated MOE > 100. However, RIFM also noted that reproductive toxicity data are insufficient — the reproductive endpoint was evaluated using the Threshold of Toxicological Concern (TTC) for a Cramer Class I material rather than direct reproductive studies. This means bisabolol has not been conclusively established as safe during pregnancy; rather, current exposure levels are considered below the threshold of concern. These findings are from animal studies only; no human clinical trials exist. Always consult your healthcare provider.

Safety data compiled from CIR Safety Assessment of Bisabolol (Final Report 1997, Re-Review 2015), RIFM Fragrance Ingredient Safety Assessment (2020), EU CosIng Database, and SkinSenseDiary internal analysis. This is for educational purposes only and does not constitute medical advice. Last updated: April 2026.

How to Use Bisabolol

1

Cleanse First

Start with clean skin. Apply your cleanser and pat dry gently.

2

Apply Bisabolol Products

Apply your bisabolol-containing serum or treatment. Bisabolol is most commonly found at 0.1–0.5% in serums and creams. Its penetration-enhancing properties help other active ingredients absorb better.

3

Layer with Moisturizer

Follow with your moisturizer to lock in the benefits. Bisabolol pairs well with ceramides and hyaluronic acid for comprehensive soothing and hydration.

4

Sun Protection

Finish with SPF in the morning. While bisabolol is not photosensitizing, sun protection is always recommended as part of a complete routine.

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Serum

Best for targeted soothing. Lightweight formulas with 0.1–0.5% bisabolol absorb quickly and layer easily. Ideal for sensitive or combination skin.

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Cream

Best for dry or irritated skin. Richer formulations that combine bisabolol's soothing action with occlusives for lasting comfort and barrier support.

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Oil / Balm

Best for after-sun or post-procedure care. As a terpene alcohol, bisabolol blends naturally into oil-based products. Great for targeted application on irritated areas.

Pairing Guide for Bisabolol

✓ Great Pairings

Niacinamide

Both have anti-inflammatory properties. Niacinamide strengthens the barrier while bisabolol calms irritation — complementary mechanisms with no conflict.

Hyaluronic Acid

HA provides deep hydration while bisabolol soothes and conditions. A great combination for sensitive, dehydrated skin.

Ceramides & Squalane

Occlusives that lock in the benefits while bisabolol soothes underneath. Ideal for sensitive skin barrier repair routines.

Centella Asiatica

Double soothing power. Both are botanical calming ingredients. Together, they provide comprehensive anti-inflammatory support for reactive skin.

⚠ Use with Care

High-Strength Actives (Retinol, AHAs)

Bisabolol enhances penetration of other ingredients. While this can boost efficacy, it may also increase irritation potential of strong actives. Introduce gradually.

Propylene Glycol

CIR noted synergistic penetration enhancement between bisabolol and propylene glycol. Be mindful of this interaction, especially in formulations for babies or individuals with compromised skin barriers.

Popular Products with Bisabolol

Found in 4,701 products in our database. Here are some well-known options:

24K Donna Bella
24k Dmae Instant Lifting Serum
Serum
24K Donna Bella
Extraordinary Effective Eye Cream
Serum
3INA
The Cleansing Milk
Cleanser
3LAB
Super Cream
Moisturizer
7DAYS
Easy Wednesday Face Mask
Face Mask
17
Melting Cream Bronzer
Moisturizer

Frequently Asked Questions

Is Bisabolol safe for sensitive skin?
Bisabolol has a SkinSenseDiary safety rating of 1/10 (Low Hazard). The CIR Expert Panel (1997, reaffirmed 2015) concluded it is safe as used in cosmetics. In clinical testing, a product containing 0.1% bisabolol was negative for sensitization. The RIFM 2020 assessment confirmed a No Expected Sensitization Induction Level (NESIL) of 5,500 μg/cm², indicating a high threshold for causing sensitization. However, it does carry a GHS H317 classification, so individuals with known fragrance allergies should patch-test first.
Can I use Bisabolol every day?
Yes. At typical cosmetic concentrations (0.1–0.5%), bisabolol is generally gentle enough for daily use. It has anti-inflammatory properties that can benefit skin with ongoing irritation or sensitivity. The CIR 28-day dermal study showed no adverse effects at 1% and 4% concentrations applied daily. Individual tolerance may vary.
Can I use Bisabolol with Retinol?
Yes, but introduce gradually. Bisabolol's soothing properties can help counteract retinol-induced irritation. However, since bisabolol is a demonstrated penetration enhancer, it may increase retinol absorption — which could amplify both efficacy and irritation. Start with lower concentrations and monitor your skin's response.
Is Bisabolol safe during pregnancy?
The CIR 1997 report found bisabolol was not teratogenic in rats. The RIFM 2020 assessment confirmed a developmental NOAEL of 980 mg/kg/day with MOE > 100. However, RIFM noted that reproductive toxicity data are insufficient — the endpoint was evaluated via TTC rather than direct studies. At typical cosmetic concentrations (0.1–1%), exposure is below the threshold of concern, but bisabolol has not been conclusively established as safe during pregnancy. These are animal studies only — no human clinical data exist. Always consult your healthcare provider.
Bisabolol serum or cream — which is better?
Bisabolol serums deliver targeted soothing in a lightweight format that layers well under other products — ideal for sensitive or combination skin. Bisabolol creams combine soothing with occlusion, better for dry or very irritated skin. For post-procedure or after-sun care, bisabolol in oil or balm form provides concentrated relief to affected areas.
Does Bisabolol help with redness?
Yes. Bisabolol's primary studied benefit is its anti-inflammatory activity, which can help reduce visible redness and calm irritated skin. It is commonly included in formulations designed for rosacea-prone, sensitive, and post-procedure skin. While it is not a medical treatment, its soothing properties make it a popular choice for managing everyday skin redness and discomfort.

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