Dealing with vaginal odor can feel uncomfortable to talk about, but understanding what causes it is the first step toward finding solutions that actually work. The good news? Most vaginal odor comes down to pH balance, and science has identified effective, natural approaches to restore it.
Understanding the Science of Vaginal Odor
First, it’s important to know that all vaginas have a scent, and this scent can change throughout your menstrual cycle. A healthy vaginal scent is often described as slightly musky or fleshy, and it’s nothing to worry about. The concern arises when the odor becomes strong, unpleasant, or “fishy,” as this often signals an underlying imbalance in the vaginal microbiome [1, 2].
Think of your vagina as a finely tuned ecosystem. This ecosystem is dominated by beneficial bacteria, primarily from the Lactobacillus family [1]. These helpful bacteria produce lactic acid, which keeps the vaginal pH in a healthy, acidic range of 3.8 to 4.5. This acidic environment is the vagina’s natural defense mechanism, as it prevents the overgrowth of harmful, odor-causing bacteria [4].
So what does this mean when you notice a change in your scent? When this delicate balance is disrupted, the pH level can rise, becoming less acidic. This allows anaerobic bacteria, such as Gardnerella vaginalis, to multiply.
The overgrowth of these bacteria is what leads to bacterial vaginosis (BV), the most common cause of a strong, fishy vaginal odor [1, 2]. BV is not a sexually transmitted infection, but it is associated with sexual activity, as well as douching and using certain scented products that can disrupt the vaginal pH [2].
What to Look for in Vaginal Odor Products
The most effective products focus on a few scientifically-backed ingredients that address pH balance at its source.
Lactic Acid: This is the star ingredient for restoring and maintaining a healthy vaginal pH. By reintroducing lactic acid, you can help bring your vaginal environment back to its optimal acidic state, which in turn supports the growth of beneficial Lactobacillus and inhibits the odor-causing bacteria [4].
Hyaluronic Acid: While often associated with skincare, hyaluronic acid is a powerhouse for vaginal health as well. It’s a natural humectant, meaning it draws and retains moisture. A well-hydrated vaginal tissue is healthier, more resilient, and better able to maintain its natural balance. For women experiencing vaginal dryness, which can also contribute to pH imbalances, hyaluronic acid is a key ingredient for restoring comfort and tissue health [5].
Soothing Botanicals: Natural extracts like aloe vera, chamomile, and calendula can provide a calming and soothing effect on the delicate tissues of the vulva and vagina. While they don’t directly address pH, they can help alleviate any irritation or discomfort that may accompany a pH imbalance.
Natural Product Solutions for Vaginal Odor
Several product types can effectively support vaginal pH balance. Think of these products as tools to help your vagina return to its natural state, not as permanent fixes you'll need forever.
pH-Balancing Vaginal Moisturizers
Internal vaginal moisturizers that are specifically formulated to balance pH are an excellent first line of defense. These products work by delivering key ingredients directly to the vaginal tissue to help restore the natural ecosystem. For example, Hydrobloom Vaginal Gel combines lactic acid to help restore optimal vaginal pH with hyaluronic acid for deep tissue hydration. It also includes natural botanicals like aloe vera and chamomile to soothe and support the vaginal mucosa. By addressing both pH balance and tissue health, these ingredients help create an environment where beneficial bacteria can thrive and odor-causing bacteria are less likely to proliferate.
Targeted Support for Bacterial Imbalance
If you're dealing with more persistent symptoms of bacterial imbalance, like recurrent fishy odor or discharge, products designed for targeted support can help. BV Away suppositories combine lactic acid to restore optimal vaginal pH with zinc oxide, which creates a protective barrier on vaginal tissue while providing antimicrobial benefits. The formula also includes soothing ingredients like aloe vera extract and calendula, which calm irritated tissues while the pH rebalances. These products work well as a more intensive intervention when pH-balancing moisturizers alone aren't enough, or as a complement to your regular vaginal health routine after menstruation or other times when your pH might be disrupted.
Lifestyle Practices for a Healthy Vagina
Products work best when paired with habits that support your vaginal microbiome. The most important rule? Skip the douching. Your vagina is self-cleaning, and douching washes away beneficial bacteria while disrupting your natural pH balance [2, 3].
When washing your vulva, use warm water or a gentle, fragrance-free cleanser—harsh soaps and body washes can cause irritation and imbalance. Another simple but effective change is switching to cotton underwear, which is more breathable than synthetic fabrics and helps prevent the moisture buildup that can contribute to bacterial overgrowth.
Your diet matters too. While it won't be the primary cause of odor, eating probiotic-rich foods like yogurt and kefir, along with prebiotic foods like garlic and onions, can help support both your gut and vaginal microbiome.
Frequently Asked Questions
Can my diet really affect vaginal odor?
Yes, to some extent. While your diet won’t be the primary cause of a strong, persistent odor like that from BV, it can influence your body’s overall scent. Some anecdotal evidence suggests that strong-smelling foods like garlic and onions can temporarily alter your vaginal scent, while a diet high in sugar may increase the risk of yeast infections, which can also cause a different type of odor.
How long does it take for natural products to work?
This can vary depending on the individual and the severity of the pH imbalance. For mild odor, you may notice an improvement within a few days of using a pH-balancing gel. For more persistent issues, it may take a week or more of consistent use. It’s important to follow the product’s instructions and be patient as your vaginal microbiome rebalances.
When should I see a doctor about vaginal odor?
If the odor is strong, persistent, or accompanied by other symptoms like unusual discharge, itching, or pain, it’s important to see a healthcare provider. These could be signs of BV, a yeast infection, or another condition that requires medical treatment. It’s always best to get a proper diagnosis to ensure you’re using the right treatment.
An Empowering Takeaway
Understanding that vaginal odor often stems from a simple pH imbalance gives you a clear path forward. By choosing products that support your vaginal pH and microbiome rather than simply masking the odor, you’re addressing the root cause and supporting your long-term vaginal health. It’s all about working with your body’s natural defenses to restore balance and feel your best.
References
[1] Chen X, Lu Y, Chen T, et al. The Female Vaginal Microbiome in Health and Bacterial Vaginosis. Front Cell Infect Microbiol. 2021;11:631972.
[2] Centers for Disease Control and Prevention. Bacterial Vaginosis (BV). https://www.cdc.gov/std/bv/stdfact-bacterial-vaginosis.htm. Published January 3, 2022.
[3] American College of Obstetricians and Gynecologists. Vaginitis. https://www.acog.org/womens-health/faqs/vaginitis. Accessed January 14, 2026.
[4] Tyssen D, Hearps AC, Guntur K, et al. The Impact of Over-The-Counter Lactic Acid Containing Vaginal Gels on the Integrity and Inflammatory State of the Vaginal Epithelium in vitro. Front Reprod Health. 2022;4:915948.
[5] Mayo Clinic. Vaginal hyaluronic acid products: How do they help? https://mcpress.mayoclinic.org/women-health/vaginal-hyaluronic-acid-products-how-do-they-help/. Published January 9, 2025.
