Oh Yeah Lip Balm - silver
All these elements are very rich in tryptophan, which is the precursor of serotonin, the “hormone of good tone”.
Serotonin lifts your spirits up and it is well known because of its proprieties: it regulates appetite, the sleep-wake cycle and makes you feel good.
Scientific tests proved that after one standard application, salivary concentration of serotonin increases of 280% after 30 minutes, than regularly comes back to its normal values.
It is a real boost of happiness!
As coffee does pushes up your energy, so Oh Yeahh! does it with your good tone!
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