CHI SILK INFUSION Is a true multitasker. The leave in treatment is enriched with silk, wheat and soy proteins that strengthen the hair from the inside. CHI Silk Infusion has a very restorative effect and is suitable for all hair types. Dry, damaged, coarse and chemically treated hair will benefit from CHI Silk Infusion. This serum protects the hair against harmful external influences and heat from styling tools. The hair is strengthened, softened and protected. This leave in treatment is free from SLS, sulfates and parabens and has not been tested on animals.