... a full head, at most 3packs.You can always use the leftover hair later. If you are using hair ... just as if it was your own hair.1, Use good quality shampoo and hair conditioner to care the hair ... keep the hai soft and shiny.2, You could use gel or spray styling products to keep the hair style.3, ... once a week, twice a week is better. Use hydrating drops or consult your stylist for more help. Q4:How long ...