Sulfur
Used in some acne products and prescribed or compounded scabies regimens.
Key facts
Sulfur at a glance.
Helps with
Selected acne or scabies treatments
Results
Diagnosis-dependent
Skin tolerance
Dryness, odor or irritation
Routine fit
Follow diagnosis-specific directions
At a glance
Top things to know about Sulfur
- What it is. Keratolytic and antimicrobial medicine.
- What it does. Used in some acne products and prescribed or compounded scabies regimens.
- What limits the claim. Modern isolated-sulfur acne evidence is limited; studies of sulfacetamide/sulfur cannot isolate sulfur. CDC describes sulfur ointment as a scabies option, but an acne wash is not a substitute for that regimen.
- Choosing a formula. Consider for an appropriate acne product; suspected scabies needs diagnosis and a complete plan.
More details: strength, timing and precautions
| Bottom line | Consider for an appropriate acne product; suspected scabies needs diagnosis and a complete plan. |
|---|---|
| Type | Keratolytic and antimicrobial medicine |
| What it does | Used in some acne products and prescribed or compounded scabies regimens. |
| Best for | Acne; Scabies |
| Studied concentrations | Acne products commonly use 3–10%; scabies ointments use separate 5–10% regimens. |
| When to use | Morning or night, as directed by the finished product. |
| Time to results | Often 8–12 weeks in small cosmetic studies; results may be subtle |
| Irritation | Odour, dryness and irritation can limit use; avoid strong products on inflamed eczema. |
| Sensitive skin | Choose a simple formula and test a small area first. Individual tolerance matters more than an ingredient’s reputation for being gentle. |
| Available | Prescription or cosmetic status depends on the active, formula and country; check the label. |
Often used for
What Sulfur is used for
Acne
Used in acne products, with less robust modern evidence than standard acne medicines.
Scabies
CDC lists compounded 5–10% sulfur ointment as an alternative treatment.
Rosacea
Combination sulfacetamide/sulfur products do not establish sulfur alone as treatment.
Seborrheic Dermatitis
The reviewed sources do not establish this ingredient as a treatment for this concern.
Eczema
The reviewed sources do not establish this ingredient as a treatment for this concern.
Acne Scarring
The reviewed sources do not establish this ingredient as a treatment for this concern.
HOW IT WORKS
How Sulfur works
Diagram explanation and sources
Helps loosen surface keratin: Sulfur preparations can promote exfoliation. Acts against microbes: Effects depend on the preparation and intended use.
Schematic illustration; not a measurement of skin penetration. Effects vary with ingredient identity and formulation.
Strengths
Sulfur strengths
Sulfur strength depends on the condition: U.S. OTC acne products use 3–10%, while compounded scabies ointments use a separate 5–10% range.
3–10%
5–10%
For qualifying acne products. A wash, mask and leave-on product have different contact instructions.
A clinician-directed alternative discussed by CDC. It is a separate treatment, not ordinary facial skincare.
Choosing a strength: Choose for the diagnosis and complete product. Sulfur-only acne products and prescription sulfacetamide/sulfur combinations are not the same.
Higher strengths: More sulfur is not automatically more useful, and dryness or irritation may limit use.
Formula matters: Wash-off versus leave-on use matters. Scabies treatment requires a whole treatment plan rather than choosing a percentage alone.
Forms
Sulfur forms
Mask
A sheet or spreadable layer kept on the skin for a limited period. Occlusion and the full formula affect hydration and comfort.
Spot cream
A cream or paste applied to a small area. It may feel richer or drier than an all-over moisturizer, depending on its base.
Wash
A liquid or foaming vehicle spread over wet skin and rinsed away. Cleansing agents and contact affect dryness and comfort.
Products
Product examples
Murad Rapid Relief Acne Sulfur Mask
The Ordinary Sulfur 10% Powder-To-Cream Concentrate
Naturium The Revealer Sulfur Body Wash
More products (7)
Neutrogena Stubborn Acne Spot Drying Lotion
The INKEY List Blemish Clearing Moisturizer
The INKEY List Succinic Acid Acne Treatment
MediCube Red Toner
MediCube 3H Drying Lotion
MediCube Red Cream
COSRX AC Collection Blemish Spot Drying Lotion
How to use it
When to use
Morning or night, as directed by the finished product.
How to apply
Follow the acne product label. For scabies, use only the specifically prescribed regimen and treat contacts as advised.
Moisturizing
Use a simple moisturizer if needed; for rich oils or balms, start with a small amount.
Tolerance
Odour, dryness and irritation can limit use; avoid strong products on inflamed eczema.
If it is not working
Reassess after roughly 8–12 weeks, or sooner for worsening symptoms. Persistent pigment, acne or a rash may need a different treatment.
Sun protection
Use broad-spectrum SPF 30 or higher each morning, especially when treating uneven pigmentation.
What to expect
First few weeks
Assess tolerance and texture; immediate softness can come from the base formula.
4–8 weeks
Subtle changes may appear in some tested products; evidence varies.
8–12 weeks
Compare photographs in the same lighting and reassess benefit.
3–6 months
Photoaging trials often need several months; expect modest rather than dramatic change.
6–12 months
Long-term evidence is limited for many cosmetic actives; continue only if useful.
What it pairs with
| Ingredient | Use | What to know |
|---|---|---|
| Moisturizer | As needed | Choose a simple formula that improves comfort. |
| Sunscreen | Each morning | Use a tested broad-spectrum product; do not mix other skincare into it. |
| Other active treatments | Introduce separately | Compatibility does not prove an added benefit. Seek a treatment plan when combining medicines. |
Alternatives
Alternatives
Benzoyl peroxide
Clearly more effective on inflamed acne and faster. Sulfur is gentler, does not bleach fabric, and is easier to tolerate on skin that stings with everything.
Salicylic acid
Better at clearing blackheads and comedones because it gets into oil. Sulfur does more for inflamed bumps and for scale.
Azelaic acid
Better supported for both acne and rosacea, and it also fades the dark marks acne leaves behind, which sulfur does not.
Metronidazole or ivermectin for rosacea
Better studied and usually tried first. Sulfur with sodium sulfacetamide is a reasonable option when those have not worked or are not tolerated.
Permethrin for scabies
The standard treatment, easier to apply and far less messy. Sulfur ointment is reserved for cases where permethrin is unsuitable.
Safety and cautions
Common reactions
Odour, dryness and irritation can limit use; avoid strong products on inflamed eczema.
When to stop
Stop for persistent burning, swelling, blistering or a new rash. Seek urgent care for breathing difficulty or a severe allergic reaction.
Sensitive or inflamed skin
Choose a simple formula and test a small area first. Individual tolerance matters more than an ingredient’s reputation for being gentle.
Important limits
Do not use a cosmetic product as a substitute for diagnosis of an unexplained, changing or persistent skin problem.
Pregnancy
Not stated in existing content
Questions
Questions you might be asking.
What should I choose sulfur for?
Consider for an appropriate acne product; suspected scabies needs diagnosis and a complete plan.
How strong is the evidence?
Modern isolated-sulfur acne evidence is limited; studies of sulfacetamide/sulfur cannot isolate sulfur. CDC describes sulfur ointment as a scabies option, but an acne wash is not a substitute for that regimen.
Sources
Sources and further reading
Research updated 2026-10-25. Evidence grades reflect confidence in a specific benefit, not its size.