Aslamualaikum, i have tried my best to find an exact ruling about using hair systems for men who have lost their hair in a young age but i am unable to get a satisfactory and logical answer , now i heard and read that it is prohibited to use human hair extensions or wigs or toupees to be exact and it is ok to use the ones which are made of artificial hairs, i did not get that, i mean first of all the purpose i conquered behind forbidding the use of hair pieces or wigs is so that they can be used as a mean of deception but the case is totally different when a person has a real reason to wear to