Sunday Riley Saturn Sulfur Acne Treatment Mask
Sunday Riley Saturn Sulfur Acne Treatment Mask is a high-performance targeted treatment designed to clear up active blemishes and prevent future breakouts. Formulated with a potent 10% sulfur concentration, this mask works effectively to absorb excess sebum and clear out pore-clogging debris. To balance the intense clarifying properties of sulfur, Sunday Riley has enriched the formula with Niacinamide, which helps to soothe redness and improve the look of post-acne marks. The inclusion of Zinc PCA further assists in oil regulation, while ingredients like Isoamyl Laurate provide a creamy, spreadable texture that prevents the skin from feeling overly stripped or tight during the treatment process. This rinse-off mask acts as both a spot treatment and a full-face clarifying session, aiming to refine skin texture and promote a more balanced, matte complexion. It is particularly effective for those dealing with inflammatory acne and congested pores who require a clinical-strength solution that still respects the skin's moisture barrier.
Our Analysis
Our analysis of the Sunday Riley Saturn Sulfur Acne Treatment Mask indicates a moderate comedogenic risk. While sulfur is a gold-standard acne fighter, the formula contains olive oil, which carries a rating of 2/5. Olive oil is high in oleic acid and can exacerbate fungal acne (Malassezia) by feeding the yeast. Additionally, we flagged Sorbitan Isostearate and Tocopherol (Vitamin E). Though these are common stabilizers and antioxidants, they carry low-level clogging potential (2/5). Users with traditional inflammatory acne may see great results, but those prone to fungal acne should exercise caution with this specific blend.
Skin Type Recommendations
This mask is ideal for oily and combination skin types struggling with inflammatory breakouts. Due to the sulfur and olive oil content, those with dry or sensitive skin should use it as a spot treatment. We do not recommend this product for individuals prone to fungal acne (Malassezia folliculitis).
Flagged Ingredients
High Oleic Acid content (similar to sebum); generally safe but can exacerbate fungal acne (Malassezia).
Emulsifier with lower clog potential than Oleate.
Pure Vitamin E is thick and sticky; safe in small amounts as an antioxidant, but potentially clogging in pure oil form.
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.
