Charles Manson‘s hair and cremated rest are being impaired in a unused unique piece of artwork … and it appears eerily alike to the well-known accumulation assassin.

Ryan Almighty tells TMZ … he and fellow artist Terry Barr — who focuses on sculpting shrunken heads — just lately joined forces to manufacture Manson artwork.

Ryan owns a few of Manson’s cremated remains and items of his hair … either one of that have been proficient to him via a similar pal of Manson’s.

As soon as Terry sculpted the real looking Manson head, Ryan added the rest within the ocular and connected gray hairs to the top.

Sinister information for Manson fans … the shrunken head isn’t on the market, however Ryan says you’ll test it out at his personal museum in Warren, PA.

Ryan has a historical past of the usage of Manson’s rest in his artwork … even using ashes in a “Helter Skelter” tattoo for one Manson enthusiast.