Apply as you would a regular conditioner.

Wash hair with a high-quality shampoo. DS Laboratories recommends one free of sodium laureth sulfate, such as Revita shampoo.
Massage Revita.COR thoroughly into the scalp and leave it on for two minutes.
Rinse.

For optimal results, Revita.COR should be used daily.
To optimize hair-follicle stimulation, DS Laboratories offers complementary leave-in treatments such as Spectral.RS, Spectral.DNC-N, and Spectral.DNC-S.