Chemist Confessions

#153) The Science Behind Sulfur for Acne & Skincare


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We take a deep dive into the science behind Sulfur, a very old and historically prevalent ingredient for acne. We discuss its nonmetal clay origins and characteristic scent, often described as rotten eggs , or like "if a clay farted". The episode covers its classification as an OTC acne ingredient , its proposed catalytic and oil-absorbing mechanisms , and the challenges in its topical formulation, such as particle size. We also look at old-school research, including a study on 10% Sulfur + 4% Niacinamide drying lotion , and offer realistic expectations: Sulfur is best used as a spot treatment for quick fixes, not for long-term overall breakout reduction

Products Discussed this 2025 Podcast Season

*a small portion of your purchase through these links goes to feeding a chemist.
https://shopmy.us/collections/1280514

Recommended 30 for 30 Sunscreens 2025

*a small portion of your purchase through these links goes to feeding a chemist.
https://shopmy.us/collections/1766357

Product Shoutout:

Blank Slate Gentle Gel Cleanser
https://chemistconfessions.com/products/blank-slate-cleanser

Enrichment Content:

Sunscreen Layering Guide
https://www.youtube.com/watch?v=IQ0Dlb0WXvc

Do We Absorb Sunscreen Filters into Our Bloodstreams?

https://chemistconfessions.com/blogs/controversy-corner-do-we-absorb-sunscreen-filters-into-our-bloodstreams

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Skincare questions for the podcast?

Leave your question in the comments and it could be featured in our next episode! #chemistconfessions #skincarescience #chemistconfessionspodcast #skincarehack

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