The vagina tightening herbs mentioned here are in the formulations of the vaginal tightening pill, gel and wash. Manjakani and pueraria mirifica are the "stars" for natural vagina tightening. Other herbs such as gambir, akar serapat, daun jarak, turmeric and kacip fatimah are important "supportive casts" too. Manjakani Oak Manjakani home remedy vaginal rejuvenation. And reduce problems caused by thinning of vaginal walls such as painful intercourse. Manjankani Xtra Tonic Pills.