spectral dnc-n solution for thinning hair (3 month supply) - water based formula, get thicker & fuller hair ds laboratories what is it? spectral dnc-n is an innovative patented formula with 5% nanoxidil, the multiactive melt of ingredients that helps control the factors involved in hair loss. it helps to efficiently prevent hair loss, regenerates and boosts its growth and thins and straightens the hair follicle. nanoxidil helps provide the nutrients necessary for the growth of hair thanks to its stimulating action in the microcirculation around the hair follicles, thereby encouraging the proliferation of dermal papilla cells. it also contain copper peptides that improve vascularization conditions and reduce inflammation of the scalp and hair follicle, and retinol, associated with nanoxidil, which helps prevent androgenetic alopecia. also contains procyanidin b2, a powerful antioxidant that promotes new hair growth. azelaic acid has anti-dht effect (dihydrotestosterone) which is the main factor of the appearance of androgenetic alopecia its formula with piroctone olamine helps effectively control the exaggerated production of cells on the scalp while performing an antibacterial and antifungal action on germs that cause diverse scalp pathologies. all ingredients have been encapsulated in nanosomes, then designed to release them in chrono-scheduled way. its formula does not contain peg (propylene glycol)