Nonetheless, both hair dyeing and artificial hair extensions do not invalidate prayers unless it prevents water from reaching the original hair when wiping over one's head in ablution or reaching the skin during Ghusl

No, hair extensions don't harm your hair at all. The only thing to keep in mind is that they need careful application. Make sure to research and pick the right ones for you to stay completely safe.

Artistic Mart being 100% human hair, are dyeable just like your natural hair. However, we strongly recommend against lightening them because they've already been dyed, and bleaching can seriously damage them. If you choose to color your extensions, use top-notch products and seek advice from a hairstylist for the best results and to maintain their quality.

It's important to note that sleeping with your extensions can reduce their lifespan and harm your scalp and natural hair. To preserve their condition, take them off before bedtime. Also, steer clear of shampoos with sulfates and alcohol as they can strip the extensions of moisture and health. Opt for a suitable conditioner specifically designed for hair extensions to keep them in optimal shape.

The duration of your extension is dependent on several factors: 

Natural hair extensions, such as those sold by glory's hair, will outlast synthetic hair extensions in the long run.

A year is a reasonable expectation for the duration of a permanent extension, given proper maintenance and use. When not in use, hang them straight, use the correct product, and do not bleach them.