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No-poo: why do we shampoo our hair?

EPISODE · Sep 30, 2025 · 18 MIN

No-poo: why do we shampoo our hair?

from What's That Rash? · host Australian Broadcasting Corporation

Do you ever wonder while you’re shampooing and conditioning – is this really necessary?The no-poo movement encourages people to ditch their products and turn to homemade concoctions, or nothing at all.Norman and Tegan rinse out the evidence for and against hair care, and how we got here in the first place.References:Clean: A History of Personal Hygiene and PurityShampoo and Conditioners: What a Dermatologist Should Know?The "No-poo" Craze: What do Gwyneth Paltrow, Kim Kardashian, Adele and Howie Mandel have in common? They don’t "poo" - McGill UniversityEssentials of Hair Care often Neglected: Hair CleansingUnlocking the secrets of the hair microbiome: From scalp health to therapeutic advancesParabens in Cosmetics - US Food and Drug AdministrationIf you enjoyed this episode, check these out!Can you get away with skipping your daily shower?Which hair loss treatments actually work?Does magnesium work against muscle cramps?You can listen to more episodes of the What’s That Rash? podcast with presenters Norman Swan and Tegan Taylor on the ABC Listen app (Australia) or wherever you get your podcasts. We answer your questions on everything from TikTok wellness trends to wonder drugs and diet myths.

What this episode covers

Do you ever wonder while you’re shampooing and conditioning – is this really necessary? The no-poo movement encourages people to ditch their products and turn to homemade concoctions, or nothing at all. Norman and Tegan rinse out the evidence for and against hair care, and how we got here in the first place. References: Clean: A History of Personal Hygiene and Purity Shampoo and Conditioners: What a Dermatologist Should Know? The "No-poo" Craze: What do Gwyneth Paltrow, Kim Kardashian, Adele and Howie Mandel have in common? They don’t "poo" - McGill University Essentials of Hair Care often Neglected: Hair Cleansing Unlocking the secrets of the hair microbiome: From scalp health to therapeutic advances Parabens in Cosmetics - US Food and Drug Administration If you enjoyed this episode, check these out! Can you get away with skipping your daily shower? Which hair loss treatments actually work? Does magnesium work against muscle cramps? You can listen to more episodes of the What’s That Rash? podcast with presenters Norman Swan and Tegan Taylor on the ABC Listen app (Australia) or wherever you get your podcasts. We answer your questions on everything from TikTok wellness trends to wonder drugs and diet myths.

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This episode was published on September 30, 2025.

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Do you ever wonder while you’re shampooing and conditioning – is this really necessary?The no-poo movement encourages people to ditch their products and turn to homemade concoctions, or nothing at all.Norman and Tegan rinse out the evidence for and...

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