Drew Barrymore has let slip the secrets behind her shiny hair - hotel shampoo.
The actress believes that regularly switching products is the way to keep hair looking glossy and healthy so she stocks up on bottles when she stays in hotels.
A source said: "She has shelves filled with them in her bathroom. She thinks it is good for her hair to not get used to the same products day after day. She likes to change it up."
Drew herself admitted to a love of hotel shampoo when she appeared on The Oprah Winfrey Show. She said: "I just had a shower, I used the hotel shampoo. That's why I smell so good!"
Good to see celebs love a freebie as much as the rest of us!
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