Dr Dennis Gross Clarifying Colloidal Sulfur Mask
The Dr Dennis Gross Clarifying Colloidal Sulfur Mask is a targeted treatment designed to combat active breakouts and clarify the complexion. Formulated with 5.0% Colloidal Sulfur, this mask works to neutralize acne-causing bacteria and diminish the appearance of pores. The addition of Kaolin clay provides a powerful absorbent quality, drawing out excess sebum and impurities from deep within the skin. Texture-wise, the presence of Glyceryl Stearate and Peg-100 Stearate gives this mask a smooth, creamy consistency that spreads easily across the skin without feeling overly stripping initially. While it aims to soothe redness and clear congestion, the formula contains a complex blend of ingredients that require scrutiny for those with sensitive or highly reactive skin. It is frequently utilized as both a full-face mask for oily skin and a targeted spot treatment for stubborn blemishes, offering a versatile approach to acne management for those seeking professional-grade results at home.
Our Analysis
Our analysis classifies the Dr Dennis Gross Clarifying Colloidal Sulfur Mask as having a moderate comedogenic risk level. While Colloidal Sulfur is an effective acne fighter, it carries a 3/5 irritation rating, which may cause excessive drying and lead to reactive breakouts in some users. More significantly, the inclusion of Soybean Oil (rated 3/5) and the combination of Cetearyl Alcohol with Ceteareth-20 raises concerns. When these fatty alcohols and emulsifiers are paired, their synergistic effect increases the pore-clogging potential to a rating of 4, making it potentially problematic for those prone to persistent congestion.
Skin Type Recommendations
This mask is best suited for very oily skin types that require intensive oil absorption. It is not recommended for dry or sensitive skin due to the high irritation potential of sulfur. Those with acne-prone skin should use it cautiously, as the soybean oil and emulsifier combination may trigger new comedones.
Flagged Ingredients
Can cause high irritation and drying, leading to reactive breakouts.
Moderate comedogenicity; depends on the refinement level of the oil.
Fatty alcohol emollient with low-moderate comedogenicity on its own. However, when combined with Ceteareth-20, the synergistic effect can significantly increase pore-clogging potential (combined rating of 4).
Want Deeper Analysis?
Run our MACR (Multi-Axis Comedogenic Risk) analysis to get a comprehensive 5-axis risk assessment. This AI-powered analysis evaluates ingredients for Plugging Risk, Barrier Damage, Fungal Acne Risk, Oxidation Risk, and real-world User Reports — giving you personalized scores for your skin type.
