Is Kiehl S Since 1851 Cucumber Herbal Conditioning Cleanser Fungal Acne (Malassezia) Safe?
Review the flags Standard: Fungal Acne (Malassezia)
Fails safety standards
1 of 34 flagged (1 high-risk, 0 watchlist) — Score 7.0/10
Cosmetiqly Score 7.0/10
Flagged ingredients & clinical citations (1)
The following ingredients in this formulation conflict with Fungal Acne (Malassezia) standards:
Glyceryl Stearate HIGH Concern
Monoglyceride ester yielding free stearic acid upon lipase exposure, sustaining yeast colonies.
Citation: Mayser P, Grimmig D, Krämer HJ. Different utilization of neutral lipids by Malassezia furfur and Malassezia sympodialis. Med Mycol. 1998;36(6):395-402.
Complete INCI formulation (34 ingredients)
Deduplicated| # | Ingredient | Status for Fungal Acne (Malassezia) |
|---|---|---|
| 1 | Aqua/Water | Pass |
| 2 | Propylene Glycol | Pass |
| 3 | Glycerin | Pass |
| 4 | Sodium Methyl Cocoyl Taurate | Pass |
| 5 | Coco-Betaine | Pass |
| 6 | Sodium Cocoyl Isethionate | Pass |
| 7 | Sodium Chloride | Pass |
| 8 | Acrylates/C10-30 Alkyl Acrylate Crosspolymer | Pass |
| 9 | Phenoxyethanol | Pass |
| 10 | PEG-100 Stearate | Pass |
| 11 | PPG-5-Ceteth-20 | Pass |
| 12 | Glyceryl Stearate | Flagged (HIGH) |
| 13 | Coconut Acid | Pass |
| 14 | Caprylyl Glycol | Pass |
| 15 | Styrene/Acrylates Copolymer | Pass |
| 16 | PEG-55 Propylene Glycol Oleate | Pass |
| 17 | Salicylic Acid | Pass |
| 18 | Chlorphenesin | Pass |
| 19 | Hydrogenated Coconut Acid | Pass |
| 20 | Cucumis Sativus Fruit Extract/Cucumber Fruit Extract | Pass |
| 21 | Polyquaternium-53 | Pass |
| 22 | Disodium Edta | Pass |
| 23 | Lavandula Hybrida Oil | Pass |
| 24 | Coco-Glucoside | Pass |
| 25 | Sodium Isethionate | Pass |
| 26 | PEG-30 Dipolyhydroxystearate | Pass |
| 27 | Trideceth-6 | Pass |
| 28 | Citrus Limon Peel Oil/Lemon Peel Oil | Pass |
| 29 | Limonene | Pass |
| 30 | Rosmarinus Officinalis Leaf Oil/Rosemary Leaf Oil | Pass |
| 31 | Linalool | Pass |
| 32 | Citric Acid | Pass |
| 33 | Benzoic Acid | Pass |
| 34 | Sodium Hydroxide | Pass |
Evaluated alternative Cleanser options (10/10 Score)
The following formulations in this category have been individually evaluated and contain zero Fungal Acne (Malassezia) flags:
Other safety checks for Cucumber Herbal Conditioning Cleanser
Data Provenance & Reviewer Information
- Data Source: Open Beauty Facts · Barcode:
3605971482144(Verify on Source) - Last Data Verification: 2026-11-13
- Editorial Supervisor: Cosmetiqly Research Team, Editorial Team
- Report an Error: If an ingredient list is inaccurate, submit a correction with product packaging proof (72-hour SLA).
Important Disclaimer: This review is an automated toxicological and dermatological screening for educational purposes. It is not medical or dermatological advice. Chemical safety depends on user skin condition and exact concentration. Always patch-test new products.