The provided reviews do not specifically mention ingredients that cause fungal acne. However, fungal acne is typically triggered by ingredients that can feed yeast, such as certain oils and humectants. Common culprits include: - **Occlusives**: Petrolatum, mineral oil, lanolin - **Certain oils**: Coconut oil, olive oil, shea butter - **Humectants**: Glycerin, propylene glycol It's important to check the ingredient list of any product and avoid those known to exacerbate fungal acne. If you are concerned about specific ingredients in the 5+ Vitamin Concentrated Serum, you may want to consult with a dermatologist or a skincare specialist.

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