Yes, any beauty/pleasing treatment permissible for your husband. Irrespective of if any other natural or simpler way available/possible or not but with one condition the surgery should be performed by female and showing your body to non Mahram male is Haram.
In this regard refer to following Hadith There are reports in the Sunnah which indicate that circumcision for women is prescribed in Islam. In Madeenah there was a woman who circumcised women and the Prophet (peace and blessings of Allaah be upon him) said to her: “Do not go to the extreme in cutting; that is better for the woman and more liked by the husband.” Narrated by Abu Dawood (5271), classed as saheeh by Shaykh al-Albaani in Saheeh Abi Dawood.