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Skincare chemists Gloria & Victoria’s weekly conversation on all things skincare science.
The podcast covers notable skincare news, decoding outrageous claims, demystifying the overwhelming product landscapes, and answering your burning skincare questions. Tune in if you might need help building a skincare routine, finding a serum that’ll ACTUALLY deliver, or just want to have a few laughs on some of the crazy things you see in skincare.
Episodes
Wednesday Nov 12, 2025
Wednesday Nov 12, 2025
This week, we tackle one of the most requested ingredients: Beef Tallow in skincare. We break down the science, compare its characteristics to other popular ingredients like shea butter, and look at the actual topical studies (or lack thereof).
00:00 | What Is Beef Tallow and Why Is It in Skincare?
00:43 | Is Beef Tallow Really Similar to Human Skin Lipids?
02:09 | How Beef Tallow Is Made: The Science Behind the Fat
03:22 | Melting Point Breakdown: Beef Tallow vs Human Sebum
05:47 | How Extraction Methods Affect Skincare Ingredient Quality
09:37 | What Do Saponification and Iodine Values Mean for Skin?
20:25 | Does Beef Tallow Have Any Proven Skin Benefits?
37:18 | What Happened When I Put Beef Tallow on My Face?
40:56 | Shea Butter, Cocoa Butter, or Beef Tallow — What’s Best for Dry Skin?
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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