SEW IN AND HAIR GROWTH FROM WITHIN II Healthy hair update……. I'm sorry, I have a 30 day supply of NIoxin, not 30 month supply…. Related posts: HAIR INSTALLATION TIME!- Full Head Sew-in (with invisible parting) should i get a sew in or micro twist? Whats a fast way to grow hair? Major hair growth with Ayurveda (part 1)