Have shrunk a viscose and wool shirt

[nitgel]

Then read i can relax fibres in baby shampoo which ive tried then tried tk syretch and ripped it a bit

Is it dead :(

Bump

Sounds like it - I thought it was fabric conditioner you should use. Anyway any trying to stretch shrunk things has to be done very gently and carefully. If it has only shrunk a bit you may be able to stretch it bit more by ironing it.