Edited by Dr. Valeria Ascione, pharmacist.
If the discomfort occurs only during intercourse, you need a lubricant, to be used immediately. If you experience dryness and tightness on other days as well, you need a intimate moisturizer, to be used consistently two or three times a week. If symptoms are persistent or painful, you should consult a doctor: there are medical treatments available, and no cosmetic product can replace them.
It's a simple distinction, but one that's often overlooked, and that's why so many people buy the wrong product, don't get any relief, and conclude that there's no solution.
In short
- "Lubricant" and "moisturizer" are not synonyms: The first one acts in the moment, while the second focuses on maintenance. They serve different purposes and can be used together.
- International guidelines recommend lubricants and moisturizers such as First-line treatment for mild symptoms, before considering local hormone therapies.
- A good lubricant should be close to physiological values: pH around 4.5 and moderate osmolality. Products that are too concentrated can damage the epithelium.
- Oil-based products are not compatible with latex condoms. It's a matter of safety, not preference.
- Persistent pain, bleeding, a burning sensation that won't go away, or abnormal discharge are not something to be treated with cosmetics: They should see a doctor.
Why does vaginal dryness occur?
The vulvovaginal mucosa maintains its moisture through a balance that depends largely on estrogen. When estrogen levels drop, the tissues become thinner, less elastic, and produce less natural lubrication.
These situations occur more often than you might think, and they aren't limited to menopause:
- Menopause and Perimenopause, the most common cause
- Breastfeeding and the months following childbirth
- Some hormonal contraceptives
- Cancer treatments, particularly those that reduce estrogen levels
- Some commonly used medications, including certain antihistamines and antidepressants
- Harsh detergents, vaginal washes, and scented products, which can disrupt the balance of the area
- Dermatological conditions of the vulva that require a diagnosis
When dryness is accompanied by a burning sensation, pain during intercourse, or recurrent urinary problems during menopause, this is referred to as genitourinary syndrome of menopause: a recognized clinical condition that is very common and—according to the literature—widely underdiagnosed, because it is rarely discussed and is often considered inevitable. It is not.
What is the difference between a lubricant, a moisturizer, and a treatment?
These are three different categories based on function, when they are used, and the nature of the product. Choosing one over the other is the most common mistake.
| What is it? | When to use | What it doesn't do |
|---|---|---|
| Lubricant Cosmetics | During intercourse, to reduce friction | It does not moisturize the skin over time: the effect wears off after application |
| Intimate Moisturizer Cosmetics | Consistently, two or three times a week, regardless of sexual activity | It does not address the hormonal cause of dryness |
| Local therapy Medication | By prescription, when symptoms are persistent or severe | It's not a cosmetic product, and you don't choose it yourself |
The recommendations of international scientific societies follow a stepwise approach: for mild to moderate symptoms, treatment begins with lubricants as needed and moisturizers used regularly, and local hormone therapies are considered if this is not sufficient or if the symptoms are more severe.
In practice: Starting with lubricants and moisturizers is a reasonable approach and one supported by the guidelines. If symptoms persist after a few weeks of proper use, the next step is a medical evaluation, not another cosmetic product.
How to Choose a Lubricant: The Two Numbers to Check
The two numbers to check are the pH, which is expected to be close to 4.5, and the’osmolality, which should remain low: they are rarely listed on the label, but they affect how well the product is compatible with fabrics.
The’osmolality It measures how concentrated a solution is. If a lubricant is much more concentrated than the tissues it comes into contact with, it draws water from the cells through osmosis. As a result, a product designed to provide relief can, on the contrary, dehydrate and irritate the mucous membrane.
In a technical note on lubricants, the World Health Organization specifies osmolality as the ideal value not exceeding 380 mOsm/kg, allowing up to 1,200 mOsm/kg as a tolerance limit, since at the time very few products met the ideal value. Several studies have shown that highly hyperosmolar lubricants can damage the vaginal epithelium, with the effect increasing the further the product deviates from physiological values.
What to do with it, in practical terms
Osmolality and pH are almost never printed on the packaging, and there is no requirement to list them. However, these are figures that a reputable manufacturer has on hand and can provide to customer service upon request: asking for them is a simple way to determine whether a product has been tested for these parameters.
A helpful clue on the label: glycerin, propylene glycol, and polyols listed at the top of the INCI list indicate high concentrations, and these are the ingredients most likely to increase osmolality. It’s not a flaw in and of itself—it depends on the amounts—but it’s a point worth asking about.
Water, silicone, or oil: Does the base of the lubricant make a difference?
The product's base determines its duration, texture, and, above all, compatibility with condoms and other devices.
- Water-based. The most versatile and compatible with everything. They are absorbed more quickly, so they may need to be reapplied. These are the ones where osmolality and pH matter most.
- Silicone-based. They last longer and aren't absorbed. They're compatible with latex, but they can damage silicone toys.
- Oil-based. A rich, lingering sensation, but Not compatible with latex condoms, which deteriorate until they break.
If you use a condom, this is the rule that matters
Do not use any oil-based products, including coconut oil, petroleum jelly, and rich body creams. They compromise the integrity of the latex and reduce its effectiveness as a contraceptive and protective barrier. Use water-based or silicone-based lubricants with latex condoms.
In the our line dedicated to intimate wellness You'll find formulations designed for this delicate area. Whichever product you choose—whether ours or another brand's—the criteria remain the same as those in this guide: values close to physiological levels, well-tolerated ingredients, and compatibility with the other products you use.
What should you avoid to prevent vaginal dryness from getting worse?
Most intimate discomfort isn't caused by what's missing, but by what's being done in excess: harsh cleansers, internal douches, and washing too frequently are the most common causes—and the easiest to correct.
- Internal rinses. They remove the bacterial flora that protects the mucous membrane. They should be used only as prescribed.
- Common Soaps and Body Washes on the vulvar area: their pH and surfactants are formulated for the skin, not for mucous membranes.
- Washing several times a day. One or two are usually enough; using them too often can cause irritation rather than prevent it.
- Scented products and panty liners used continuously, which trap moisture and can cause irritation.
- Generic Body Creams on mucous membranes: formulated for a different area of the body, with fragrances and preservatives not intended for that area.
When should you see a doctor for vaginal dryness?
See a doctor if you experience
Persistent pain during or after intercourse, bleeding, a burning sensation that does not go away, vaginal discharge that is abnormal in color or odor, intense and persistent itching, lesions or changes in the appearance of the skin, or recurrent urinary problems.
A cosmetic product is designed to provide comfort and superficial hydration. It does not diagnose conditions, and symptoms like these may have underlying causes that need to be identified: infections, dermatological conditions of the vulva, or a genitourinary syndrome that requires treatment. Continuing to switch products while the problem persists is the surest way to waste time.
Embarrassment is often the real obstacle: these are topics that are rarely discussed, and the underdiagnosis of menopausal genitourinary syndrome documented in the literature is partly due to this.
In summary
Vaginal dryness is not a condition you have to put up with, and it cannot be resolved by buying the first product that promises relief. You need to understand what you need: immediate relief during intercourse, ongoing hydration throughout the day, or medical treatment if your symptoms are severe. These three options are not mutually exclusive, but they are not substitutes for one another.
And when you choose a product, look at the criteria that come before marketing: values close to physiological levels, compatibility with what you already use, and ingredients you can tolerate. The rest is just marketing.
Frequently Asked Questions
What is the difference between lubricant and intimate moisturizer?
Think of lubricant as an umbrella when it rains, and moisturizer as the cream you use every day: one provides immediate relief, while the other works over time. They aren’t alternatives, and in many cases, they work best together.
Can I use regular body lotion on my intimate area?
No. Body lotions are formulated for the skin, not for mucous membranes: their pH levels, fragrances, and preservatives are designed for a different area of the body and can cause irritation. Specific products should be used on the external intimate area, and nothing should ever be applied internally unless directed by a doctor.
Does vaginal dryness only occur during menopause?
No. It is more common during menopause and perimenopause, but it can also occur during breastfeeding, with certain hormonal contraceptives, during cancer treatment, with some commonly used medications, or as a result of harsh cleansers and internal douches.
What is the osmolality of a lubricant, and why does it matter?
This indicates how concentrated the formula is. A product that is much more concentrated than bodily fluids draws water from the cells and may cause irritation rather than provide relief. The WHO recommends an osmolality of no more than 380 mOsm/kg as the ideal value, with 1,200 as the tolerance limit.
Can I use lubricant with a condom?
Yes, but only water-based or silicone-based ones. Oil-based products, including coconut oil and petroleum jelly, break down latex and compromise its integrity. If you use silicone toys, avoid silicone-based lubricants and choose water-based ones instead.
How often should you use an intimate moisturizer?
Guidelines from scientific societies recommend regular use—typically two or three times a week—regardless of sexual activity. Consistency is what makes the difference: if used only when discomfort is already present, it is much less effective.
When should I see a doctor?
If you experience persistent pain, bleeding, burning that does not go away, abnormal discharge, severe itching, skin lesions, or recurring urinary problems. Even if dryness does not improve after a few weeks of proper use of a moisturizer: there are effective treatments that a cosmetic product cannot replace.
Does silicone-based lubricant damage sex toys?
You can do this if the toy is made of silicone: the two materials can react with each other and damage the surface over time. For silicone sex toys, a water-based lubricant is preferable. Silicone does not cause any problems when used with other materials, such as glass or metal.
Can the birth control pill cause vaginal dryness?
For some people, yes: certain hormonal contraceptives reduce the estrogen component that helps maintain tissue hydration. This doesn't happen to everyone, and it's not a reason to stop taking the pill on your own: if you experience any discomfort, talk to the doctor who prescribed it.
Is coconut oil a good natural lubricant?
It moisturizes well but has two major limitations: it is not compatible with latex condoms, which it breaks down, and it has not been tested for pH and osmolality like products formulated for intimate use. It is suitable only for use without a condom and for those without any specific sensitivities.
Can vaginal dryness be caused by stress?
While it is not among the most well-documented direct causes, stress can indirectly affect menstrual cycles, breastfeeding, and other hormonal balances, which in turn influence tissue hydration. If the discomfort persists, it is still advisable to consider the most common causes before attributing it to stress.