Seems Maxlife has now jumped on the SLUDGE bandwagon....
Maxlife web page
Special seal conditioners rejuvenate seals within the engine block to help prevent oil leaks that lead to sludge and deposits
Anti-oxidant additives reduce oil viscosity breakdown to help prevent engine-clogging sludge and deposit formation
Detergents chemically bond with and remove existing sludge and deposits Additional friction-reducing additives help reduce abrasion within engine
Anti-wear agents help prevent engine damage
Maxlife web page
Special seal conditioners rejuvenate seals within the engine block to help prevent oil leaks that lead to sludge and deposits
Anti-oxidant additives reduce oil viscosity breakdown to help prevent engine-clogging sludge and deposit formation
Detergents chemically bond with and remove existing sludge and deposits Additional friction-reducing additives help reduce abrasion within engine
Anti-wear agents help prevent engine damage