Dated Skincare Rules & Serum Layering Like a Derm
You Beauty15 Dec 2025

Dated Skincare Rules & Serum Layering Like a Derm

From viral myths experts wish you'd forget to outdated skincare rules, today's guest doesn't hold back...On this week's episode of The Formula, dermatologist Dr. Cara McDonald breaks down how to layer your serums like an expert, why your expensive serums feel like they're not working, and the only ABC skincare rule you need for the perfect morning and night routine. Plus, Dr. Cara busts some social media skincare myths, and shares the products and ingredients she thinks everyone should know about.

PRODUCTS MENTIONED:

La Roche-Posay Thermal Spring Water Mist, $28.95.

La Roche-Posay Effaclar A.Z. Gel Cream, $65.95.

La Roche-Posay Cicaplast B5 Spray, $34.95.

FOR MORE WHERE THIS CAME FROM:

Hosts: Kelly McCarren

Guest: Dr Cara McDonald

Producer: Sophie Campbell

Audio Producer: Tegan Sadler

Video Producer: Artemi Kokkaris

Just so you know — some of the links in these notes are affiliate links, which means we might earn a small commission if you buy through them. It doesn’t cost you anything extra, and it helps support the show. Happy shopping!

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Mamamia acknowledges the Traditional Owners of the Land we have recorded this podcast on, the Gadigal people of the Eora Nation. We pay our respects to their Elders past and present, and extend that respect to all Aboriginal and Torres Strait Islander cultures.

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