It’s A Sin quickly schooled viewers on the importance of douching (Picture: Channel 4)

Channel 4’s It’s A Sin didn’t waste any time in exploring aspects of gay sex that aren’t often spoken about in the mainstream. Approximately 16 minutes into tonight’s first episode of Russell T Davies’ long-awaited drama, Olly Alexander’s character Ritchie is awkwardly told by Nathaniel Curtis’ Ash that he needs ‘a bit of a wash’ before the two can go to bed, and is sent off to have a shower.