... for hair 3.health,straight,soft. 4.high quality with factory prices. Hair permProduct Name:LANZI Collagen /Amino Acid Hair Rebonding ... on without pulling it, 2. Let it develop for up to 30 minutes, check every 4-5 minutes ... times.5. Apply the product dose 2 and leave for 10 - 15 minutes. 6. Apply dose 3 ... onto the hair, massage gently and stay for 10 minutes, rinse off. RemarkWe are a professional ...