The egg and grapefruit diet doesn't involve you only eating eggs and grapefruits for days on end. While that might cause you to lose weight and fast, it is not a healthy way of doing it and it doesn't include all the nutrients your body needs daily.
Yogurt contains lactobacillus, a good bacteria that helps fight bad bacteria in your intestines and vagina and helps your vagina stay in the optimal pH range. Eating yogurt regularly can prevent your vagina from becoming too basic, but it can also be used topically to cure a yeast infection or BV.
pH-Balance and Skin Cleansers. Because buzzwords like pH-balanced are common advertising tools in the health and beauty industry, it's easy to ignore them and purchase a product regardless of its pH. However, when it comes to skin cleansers, pH levels do make a difference. Your skin has a pH level of about 5.5. Skin -- or at least the outermost layer of it -- is slightly acidic [source: University of California Newsroom ].