Colloidal Sulfur
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Helps to dry out blemishes and has antibacterial properties, often used for acne.
Regulatory Info
Can I mix Colloidal Sulfur with other ingredients?
Sulfur and retinoids together cause extreme dryness and irritation. Never combine them in the same routine.
Both sulfur and benzoyl peroxide are strong acne fighters but together they severely dry and irritate skin.
Sulfur-based products can increase dryness when combined with retinoids. Use on alternate nights if needed.
Read all ingredient interaction guides for layering order and science-backed advice.