Colloidal Sulfur

Colloidal sulfur is a dispersion of elemental sulfur particles in a liquid base, designed for topical use. Oily, blemish-prone care relies on it to reduce surface buildup and provide mild keratolytic exfoliation.
Like this ingredient?

Ingredient Snapshot

Overview
Suspended sulfur particles that help clear congested, blemish-prone skin.
Category
Acne, Oil Control, Exfoliating
Type
Exfoliant

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Helps clear congested pores and reduce excess shine for a more even-looking complexion. Aids in smoothing rough texture associated with breakouts.

Uses In Skincare & Cosmetics

Commonly found in spot treatments, clay masks, and oil-control cleansers, and sometimes in lightweight acne lotions for targeted use.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Carries an irritation and dryness risk, especially for sensitive skin or when layered with other actives. Start with short contact or lower frequency and avoid broken skin. In some markets (e.g., U.S.) sulfur is regulated as an OTC acne active, informing concentration and use directions.

Is Colloidal Sulfur a Good Ingredient?

Sulfur has established keratolytic and antibacterial action that can help reduce acne lesions and excess oil, though it can be drying and may irritate sensitive skin. Benefits are meaningful for blemish-prone types, but tolerability limits universal use. It performs reliably enough for a Good rating, though it doesn't quite reach Great.

Products with Colloidal Sulfur

Related Ingredients