![Video review of Shade Variation Mask by Mary Mo](https://flipfit-cdn.akamaized.net/flip_vid/thumb/e742b6e0-3be0-4c03-8497-6dcbe5017338.jpeg)
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The mask can be left on for 15 minutes or even just 5 minutes for a subtle effect. Mary is excited to try it out as it is supposed to give her hair a slightly brassy look. She clarifies that the brand name is Christophe Robin, not Christopher Robin.