For as long as we have known, it has been the girl who took the contraceptives. Doctors have been working to change that and it seems they have found a breakthrough. It\u2019s called Vasagal. A contraceptive Injection According to the Doctors, it is a \u201cnon-hormonal and long-acting\u201d and has been shown to block sperm for up to 12 months Dr Elaine Lissner, executive director of the Parsemus Foundation confirms that the shot consists of styrene-alt-maleic acid (SMA) that is dissolved in dimethyl sulfoxide. Therefore, Vasalgel could be the first long-acting, non-hormonal, potentially reversible male contraceptive to reach market.