The Beauty Brains
The Beauty Brains
Oct 18, 2016
How can I tell if a product will cause acne? Episode 155
Play • 25 min
Can a patch test predict acne? Janelly asks…I would like to know if patch testing a product for acne can really work. I see this concept mentioned a lot on Reditt as a way to test if a new skincare product will cause acne. That’s a great question but patch testing for acne does NOT work. […]

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