Sea buckthorn oil 3grams oral daily helps vaginal dryness after 3 months of treatment.
Larmo PS, Yang B, Hyssälä J, Kallio HP, Erkkola R. Effects of sea buckthorn oil intake on vaginal atrophy in postmenopausal women: a randomized, double-blind, placebo-controlled study. Maturitas. 2014 Nov;79(3):316-21. doi: 10.1016/j.maturitas.2014.07.010. Epub 2014 Jul 21. https://www.ncbi.nlm.nih.gov/pubmed/25104582
Pelvic floor muscle relaxation exercises [2x/day, vaginal moisturizer [3x/week] to alleviate vaginal dryness, & olive oil as a lubricant during intercourse has been shown to improve pain with sex and sexual function.
Juraskova I, Jarvis S, Mok K, Peate M, Meiser B, Cheah BC, Mireskandari S, Friedlander M. The acceptability, feasibility, and efficacy (phase I/II study) of the OVERcome (Olive Oil, Vaginal Exercise, and MoisturizeR) intervention to improve dyspareunia and alleviate sexual problems in women with breast cancer. J Sex Med. 2013 Oct;10(10):2549-58. doi: 10.1111/jsm.12156. Epub 2013 May 1. https://www.ncbi.nlm.nih.gov/pubmed/23635341