Self-closing dispensing valve made of a plastomer or a thermoplastic elastomer

A dispensing closure including:

• a closure body comprising:
• a deck in which a dispensing passage is formed,
• a skirt depending from the deck and defining an interior space of the closure,
• a valve seating portion formed in the interior space in line with the dispensing passage;
• and
• a self-closing dispensing valve, said self-closing dispensing valve made of an elastic material and comprising a valve head with a dispensing orifice and a circular peripheral retaining flange integrally connected with the valve head, wherein:
• the elastic material is a thermoplastic elastomer or a plastomer,
• the valve head has a dome shape with a concave exterior side and a convex interior side,
• the valve head is connected directly to the retaining flange by a hinge portion that is U-shaped in cross section;
• and
• wherein the self-closing valve is arranged and secured in the valve seating portion of the closure body, wherein the valve is exclusively engaged by the closure body at the retaining flange of the valve.