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For optimal results, apply several drops of the I'm Fabulous Cosmetics GHK-Biotin Hair Growth Serum directly to the scalp, parting the hair to ensure direct skin contact rather than product resting on the hair shaft

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Baar MP, Brandt RMC, Putavet DA, Klein JDD, Derks KWJ, Bourgeois BRM, Stryeck S, Rijksen Y, van Willigenburg H, Feijtel DA, van der Pluijm I, Essers J, van Cappellen WA, van IJcken WF, Houtsmuller AB, Pothof J, de Bruin RWF, Madl T, Hoeijmakers JHJ, Campisi J, de Keizer PLJ

Epitalon is a strong secondary choice for circadian regulation

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