We study projective hypersurfaces X admitting an induced additive action, i.e., an effective action \({\mathbb {G}_a^m\times X\rightarrow X}\) of the vector group \(\mathbb {G}_a^m\) with an open orbit that can be extended to an action on the ambient projective space. A criterion for normality of such a hypersurface X is given. Also, we prove that for any projective hypersurface Z there exists a hypersurface X with an induced additive action such that the complement to the open \(\mathbb {G}_a^m\) -orbit in X is a projective cone over Z. We introduce a construction that produces non-degenerate hypersurfaces with induced additive action from Young diagrams and study the properties of the hypersurfaces obtained in this way.
