Vaginal Dryness More Than Lack Moisture

In the clinic, the first word that comes to mind for those complaining of vaginal dryness is "lack of moisture." So they use lubricant or try drinking more water, but in many cases the stinging, itching, and pain during intercourse hardly disappear. The reason is that the root of the dryness lies not in surface moisture but in the vaginal and urinary mucosa itself changing as hormones decrease around menopause. In medicine, this change is bundled together and called genitourinary syndrome of menopause. Today, by calmly unraveling this mechanism, I will explain why simple moisturizing is not enough and the direction of fundamental management.

If you see vaginal dryness as an isolated discomfort, it is easy to miss the essence. The International Society for the Study of Women's Sexual Health and the North American Menopause Society officially adopted, in 2014, the new term genitourinary syndrome of menopause instead of the narrow term vaginal atrophy used previously. It is commonly known by the English acronym GSM. These societies considered that, since the labia, clitoris, vagina, urethra, and bladder all change together when sex hormones including estrogen decrease, a name confined to the vagina alone is inaccurate.

In other words, GSM is one syndrome that encompasses not only vaginal dryness but itching, burning, painful intercourse, stinging on urination, and frequent cystitis. In the clinic, there are not a few people who say "I thought it was just dryness, but I have urinary symptoms too," and this is not a coincidence but one bundle of signals arising from the same hormonal change. So the approach of taking out only dryness and covering it with a moisturizer ends up dealing with only the tip of the iceberg.

Estrogen is not a hormone that only regulates the menstrual cycle but a foundation that upholds the structure and environment of the vaginal and urinary mucosa. When this hormone decreases around menopause, a chain of changes occurs in the mucosa. The core that society materials commonly explain is as follows.

• The epithelium (surface layer) thins. The once-thick and moist mucosa becomes thin and fragile, easily irritated even by small friction.
• Collagen and elastic fibers beneath the mucosa decrease and blood flow declines. As a result, the tissue's ability to hold moisture and its elasticity decline together.
• Secretions decrease, weakening the usual natural lubrication.

This change goes beyond simply "drying" and is closer to the mucosa "turning into different tissue." In clinical experience, even with the same degree of hormone decrease, the time and intensity of feeling discomfort can have individual differences, because the mucosal thickness, blood flow, and usual activity level differ from person to person. So rather than dismissing it as "everyone is like that when they get older," understanding it as the result of a changed mucosal environment is more accurate as a starting point for management.

Hormone decrease changes even the vaginal microbial environment. During the reproductive years, glycogen is abundant in mucosal cells, and lactobacilli eat this and make lactic acid to maintain an acidic environment. This acidity plays the role of a natural defensive barrier that blocks the settling of external bacteria.

But when estrogen decreases, glycogen decreases, and the lactobacilli, whose food has decreased, also decrease together. The vaginal environment, which was acidic, gradually rises toward neutral, and miscellaneous bacteria settle more easily on the mucosa whose defensive barrier has weakened. It is reported that such a change lies in the background of the increase in people whose vaginitis becomes frequent or whose cystitis recurs after menopause.

In fact, society materials summarize that local vaginal estrogen can help in preventing recurrent urinary tract infections in post-menopausal women. This shows that "dryness" and "frequent infection" are not different problems but two faces of the same hormonal change. If you happen to experience vaginitis or cystitis often, it is also helpful to read together the answer pointing out the causes of recurrent vaginitis.

A question often received in the clinic is "is this just temporary dryness, or a change that needs management?" Not all dryness is GSM, but dryness arising from hormonal change differs in a few respects. The table below compares the general patterns often seen in the clinic; please view it as reference, not self-diagnosis.

As shown in the table, if it is only momentary even when you use lubricant and urinary symptoms also overlap, it is hard to see it as only a simple moisture problem. In this case, it is safer to confirm the mucosal state through a medical visit than by self-judgment. If pain during intercourse is the main discomfort, you may also refer to the article distinguishing and explaining the various causes of painful intercourse.

The first solution that comes to mind for vaginal dryness is lubricants and moisturizers. In fact, societies too recommend non-hormonal lubricants and vaginal moisturizers as the first line at a mild symptom stage. Lubricants that reduce pain during intercourse, and moisturizers that keep the mucosa moist on a daily basis, have a clear role.

However, these only assist the mucosal surface and cannot reverse structural changes such as the thinned epithelium, the collapsed pH, and the decreased blood flow. In the clinic, many people ask "I used good products steadily, so why is it the same?", and the answer is simple. It is because the cause is not on the surface but inside the mucosa. So if symptoms are steady or accompanied by urinary symptoms, you must not stop at the moisturizing stage but also consider the direction of restoring the mucosal environment itself. If you are curious whether using lubricant alone is sufficient, you can also refer to the related question answer.

The core of fundamental management is rebuilding the foundation of the diminished mucosa. The North American Menopause Society's 2020 position statement and the guideline organized together by the American Urological Association and others in 2025 present the following options for GSM with clear symptoms. However, since which method is right differs depending on the individual's health status and medical history, it must be decided through a medical visit without fail.

• Local low-dose vaginal estrogen: reported as a representative method that acts directly on the mucosa and helps restore thickness, blood flow, and the acidic environment. The point that it is designed for low systemic absorption is organized in society materials.
• Vaginal DHEA (prasterone): a method in which it is converted into the hormone needed within the mucosa and acts there, reported as an option used to ease dryness and painful intercourse.
• Oral ospemifene: an oral medication of a class that acts selectively on the mucosa, considered according to the situation.
• Energy-based procedures (laser/radiofrequency): research continues on the method of stimulating mucosal regeneration, and whether to apply it is judged carefully according to individual condition.

There may also be those worried about hormone-related treatment, and looking together at the question answer dealing with the safety of hormone therapy can ease vague anxiety. If you are also curious about menopausal changes overall, the article explaining the mechanism of menopausal body changes also helps to grasp the flow.

Vaginal dryness is a topic easy to put off out of embarrassment, but the more you put it off, the more mucosal changes accumulate and the discomfort tends to settle into daily life. What is important is that "enduring" is not the correct answer. Since GSM is a progressing change, the earlier you confirm the mucosal state and start management that suits you, the longer you can keep daily comfort.

Even if it started with just dryness, simply knowing the fact that hormonal and mucosal changes lie behind it changes the direction of management. If it is hard to gauge on your own whether your symptoms are simple dryness or a change that needs management, we recommend confirming through a medical visit. You can also refer to Wooahan Women's Clinic's dryness/pain care guide.

Written by: Lee Dong-hee Director · Obstetrics and Gynecology Specialist · View medical staff profile

First published November 15, 2025 · Last reviewed May 30, 2026

References: North American Menopause Society and International Society for the Study of Women's Sexual Health GSM terminology consensus (2014), North American Menopause Society GSM Position Statement (2020), American Urological Association and Society of Urodynamics, Female Pelvic Medicine GSM Clinical Practice Guideline (2025)

This article is intended to provide general health information and does not replace individual diagnosis or treatment. If you have symptoms, please consult through a medical visit.