Focus beverage - "Spotlight"

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This customer received 63 logo designs from 33 designers. They chose this logo design from RA-bica as the winning design.
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Logo Design Brief
PLEASE LOOK AT THE ATTACHED IMAGE. WE ARE ONLY LOOKING FOR DESIGN IDEAS ON THE LEFT SIDE OF THE LOGO.
We are creating a new functional beverage product, called "Spotlight", which is a focus enhancer. We are looking for an updated logo to go with it. I've attached our logo for a Serenity (relax / chill) product, which shows a buddha on one half, representing "serenity", and a brain on the other half.
We want to KEEP the brain on the right half. We are looking for suggestions for the LEFT side of the logo. You can do another face design that represents "focus" or "spotlight", but we are also open to a non-face design.
We are looking for a complementary logo that goes with the buddha+brain as part of a product series. This focus "spotlight" product should be half X and half brain.
Target Market(s)
>18 years old
Logo Text
No words needed
Look and feel
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