Hair Extensions Need Proper Maintenance Wash the Hair Before washing, please detangle it first and then add shampoo, conditioner.Wash your extensions after wearing it 4-6 times Dry the Hair Dry it with towel, put in ventilated place .When the hair is dry, please add some essential oil to smooth it. Curl the Hair The hair extensions can be curled and straighted, just like your own hair.Usually 160 degree Celsius is Recommended. Comb the Hair Use a wide-tooth comb.Never comb the hair when it is wet otherwise it may shed . Are these authentic 100% human hair extensions? Yes, our clip in hair extensions are human hair and won't melt. Before using hot tools, please add some essential oil first. How many packs do I need to get the model's look? The model is only for hair color reference. Our answer for this question is differ because you guys have different demands for hair extensions and the volume guidance might be helpful. How to wash and how often do you use reg shampoo? You don't have to use hair spray or any products because they hold the style on their own accord quite nicely. You can wash them once a month if you wear them a lot. Why the hair extensions become dry and wavy after washing? It is because all the hair extensions cannot absorb nutrients. You can use conditioner and oil regularly and then use a falt iron to make them straightened. Would these work for a loose partial updo for a wedding? Yes, our clip in hair extensions are great for any accasions. We have received many beautiful and amazing photos from ladies who worn our hair extensions for their wedding day.