The Beauty Brains Episode 322 - Is low molecular weight Hyaluronic acid bad? and other beauty questions
Dec 22, 2022
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Social Media Drives Sensational Cosmetic Fears
- Viral social posts can create nationwide scares with weak evidence and no plausible mechanism.
- Perry points out correlation on TikTok doesn't equal causation for deodorant-cyst claims.
Henna: Long History But Real Chemical Risks
- Valerie shared experience working on Henna and warned about heavy-metal uptake and mutagenic component lawsone.
- She explained poor sourcing and later chemical treatments can cause burns or safety problems.
Real Testing Found Shampoo Bars Harder To Rinse
- Valerie described testing many commercial shampoo bars during a months-long project and found them harder to rinse.
- She found bars often leave residue and can be more irritating due to high solids.