Episode 339 - How Long Does Sunscreen Really Last and Why Does it Degrade?

On today’s show we answer questions about:What is hexylresorcinol doing in your skin care?How should you treat highlighted hair that’s getting crispy?Can you use benzoyl peroxide on your underarms?What’s the deal with sunscreens, do they really stop working?Is it ok to use dog conditioner on your hair?Beauty NewsCanada bans animal testing of cosmetics Do you know what’s in your makeup? Olay teams up with Kate the Chemist to talk about moisturizing skin Four Ways to Ask a questi...

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Real scientists answer your beauty questions