Amazon.com : WENNALIFE Wire Hair Extensions (Increase 50 。【Remy Human Hair Extensions】 wire hair extensions are made of authentic virgin human hair. The remy hair can remain ultra-soft, silky, and tangle-free throughout its lifetime. That’s the reason Wennalife hair extensions are so natural and comfortable. Can be dyed, strengthened and curled (under 250F). The lifespan of the hair depends on how many times you wash them and what you put on them. Please care for them like your own hair and refer to the instructions in your package. 【Exclusive Conditioner Prolong 50% Lifespan】We have recently developed 1 hair conditioner, which can help your damaged & thirsty extensions restore new vitality. They can at least prolong an extra 50% lifespan for your extensions. Please refer to the instruction about how to use and for hair extensions only. As our packaging is being upgraded, please contact us if you do not receive the conditioner. 【Perfect Color Match & Style Easily】 Balayage Dark Brown Mixed Chestnut Brown. A dark brown base with chestnut brown highlights, a mixture of warm hues create a multi-dimensional effect. hair extensions cover from Jet Black to Platinum Blonde, and from Highlights to Balayage, providing you with different color combinations. So, you can choose the right hair extension according to your hair color. If you have any problems with color choice, please reach out to us to get help.