涂抹染發(fā)劑可能會(huì)搞得一團(tuán)糟，特別是長(zhǎng)發(fā)。Applying the dye can be messy, particularly on long hair.她告訴我如何使用染發(fā)劑.She gave me instructions on how to apply the tint.制造商保證染發(fā)劑使用后的有效期間為三星期.The maker guarantees this hair dye to stay on three weeks....