The promise sounds attractive: apply a cream or oil regularly and get fuller, larger breasts, without surgery, injections or downtime. With products promising natural enlargement, hormonal stimulation or a fuller bust within weeks, it is understandable why many women are curious. In an interview with HT Lifestyle, Dr Smriti Nathani, consultant plastic and cosmetic surgeon at Tamira Aesthetic Healthcare in Chennai, shared the scientific aspect of topical application.