This topical booster from DS Laboratories includes the Spectral DNC-N and Spectral F7 topicals that are great for anyone experiencing thinning hair and stages of hair loss levels 2-3 (this is approx.) Spectral.DNC-N is the first topical hair-loss treatment to employ Nanoxidil, a compound with high efficacy, low molecular weight, and no known side effects. It arms men and women with a powerful new tool against hair loss. The advanced therapy for hair regrowth treats continuously for over 12 hours — significantly longer than conventional alopecia treatments — due to proprietary Nanosome encapsulation. Spectral F7 is an advanced hair boosting agent, Spectral.F7 is a breakthrough formula that incorporates Astressin-B, a powerful peptide to aid in stopping stress related hair problems.