Someone on another forum mentioned this product. I guess it is "all new" and is designed for "modern" engines that use a lower viscosity engine oil. Lucas claims their product will not increase your oil's viscosity but the data sheet's numbers make me skeptical. The data sheet does indicate some synthetic content but it is minimal.
Product webpage: https://lucasoil.com/products/engine-oil-additives/low-viscosity-stabilizer
PDS: https://lucasoil.com/pdf/TDS_Low_Viscosity_Stabilizer.pdf
MSDS: https://lucasoil.com/pdf/SDS_Low_Viscosity_Stabilizer.pdf
Product webpage: https://lucasoil.com/products/engine-oil-additives/low-viscosity-stabilizer
PDS: https://lucasoil.com/pdf/TDS_Low_Viscosity_Stabilizer.pdf
MSDS: https://lucasoil.com/pdf/SDS_Low_Viscosity_Stabilizer.pdf