If it were to be injected in the subcutaneous layer I imagine it would blur out the striations in your physique when below 10% body fat or getting ready to step on stage around 4-6%. From what I understand people are using Bellafill to achieve this, but it sounds like that isn't put into the muscle either. Anyhow, just curious if hyaluronic acid can be used intramuscularly without causing major health issues.