Sulfur
Also known as: Sulphur, Precipitated Sulfur, Colloidal Sulfur
Antimicrobial mineral that reduces bacteria and sebum production, traditionally used for acne and rosacea.
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Get the appWhat it does
Sulfur works by converting to pentathionic acid on skin, which has keratolytic and antimicrobial properties. It helps decrease sebum production, unclog pores, and reduce acne-causing bacteria. Often formulated in masks, spot treatments, or cleansers.
Benefits
- Effective against acne-causing bacteria and Demodex mites
- Helps regulate sebum production in oily, congested skin
- Provides gentle keratolytic action without harshness
- Well-tolerated by sensitive and rosacea-prone skin
- Non-antibiotic alternative reducing resistance concerns
Who it suits
- Oily, acne-prone skin
- Rosacea and congestion
- Sensitive skin
- Breakout-prone complexions
How to use
Apply as a spot treatment, mask, or cleanser 1-2 times daily. Start with lower concentrations and increase gradually. Rinse thoroughly with water.
Pairs well with
Salicylic acid, Zinc, Centella asiatica, Niacinamide
Be careful pairing with
Benzoyl peroxide (may reduce efficacy), Vitamin C (potential oxidation)
Safety & cautions
Sulfur has a distinctive unpleasant odor and can be drying or irritating at high concentrations (typically use 2-10%). May cause mild irritation in very sensitive individuals; use lower concentrations initially. Should not replace prescription treatments for severe acne.
Educational information, not medical advice. Concentration and formulation change how an ingredient behaves.