Oct 27, 2015 - If the extensions are too heavy, they can cause your hair to break off. Hair extension damage can also happen when the extensions are attached too tightly. This combination of weight and strain on the hair follicles can cause the hair to fall out, which is officially known as traction alopecia. Nov 15, 2014 - The fusion method pulls out more hair and does not hold well one fine hair! . Micro links hair extensions are applied strand by strand to your hair with a special tool to attach each hair extension to your natural hair. The links are similar to a screw which can damage your hair shaft when clamped together. Sep 22, 2017 - You don't want accessories in your hair that can cause damage later. Cold fusion hair extension is quite similar to the hot fusion method. Feb 19, 2018 - In short, fusion hair extensions come in different hair strands. . Fusion hair extensions are not supposed to damage your hair. Actually, any hair . Nov 20, 2017 - In short, no hair extensions don't damage hair, even fusion hair extensions. But if the installation was done incorrectly, yes it can damage your . Glue can cause damage to the hair if applied or removed incorrectly. The weight of thick wefts can cause headaches or tension alopecia. If the glue is applied to the scalp during application, the hair follicles can clog and cause bacterial scalp infections. Nov 6, 2014 - My hair had grown longer and healthier since the extensions had protected them from a good part of the heat damage that is usually caused by . Nov 24, 2016 - Cold Fusion Great Lengths Hair Extension Review . versions of hair extensions but none ever lasted that long and the damage to my hair was .