K-Y 潤滑劑用途及用法 | 搵女人 FindGirl

Function Introduction

Durex KYThe lubricant is water-based, transparent, and non-greasy, and can be used with condoms. Suitable for...Anal sexThis product is suitable for women with insufficient vaginal secretions, lack of sexual experience, those seeking to maintain smooth sexual function, and those who masturbate. It can also be used in conjunction with masturbation products. The product is colorless and odorless, contains no ingredients that may cause habitual use, and can be washed off with water.

KY™ is a colorless, odorless, non-greasy, water-soluble gel lubricant that can be washed off with water and will not remain inside the body. It reduces discomfort caused by friction and avoids allergic reactions. It can be used with condoms. Products such as oil-based lubricants and other lotions can break down the adhesive of condoms within a short time, potentially causing leakage.

KY™ is most similar to the body's own secretions, giving you the most natural feeling. This product does not contain ingredients that cause habitual use.

Note:

If you experience any allergic reaction, please consult a doctor immediately. This product is not a contraceptive and does not contain any aphrodisiacs.

Main uses of KY lubricants (7 major scenarios)

Application Category	Specific applications	Recommended scenarios
1. Sexual intercourse assistance	Improves smoothness, prolongs endurance, and reduces friction and discomfort.	Vaginal dryness, menopause, couples who have been intimate for a long time, anal foreplay
2. Medical examination	Gynecological examination, anoscopy, digital rectal examination, prostate massage	Standard equipment for hospitals and clinics
3. Condom compatibility	Use with a latex/polyurethane sleeve to prevent dryness and damage.	Any security behavior
4. Sex toys	Silicone/glass/metal toy lubricant	Masturbation, double toys
5. Menopausal care	Daily vaginal moisturizing and relief of atrophic vaginitis	Women over 45
6. Massage for relaxation	Shoulder and neck/inner thigh massage (non-oily and non-sticky)	Couple massage foreplay
7. Other creative ideas	Ultrasonic gel replacement, dental restoration with oxygen protection, yoga aid	Medical/Life Tips

Correct usage steps

Squeeze out a pea-sized amount (about 0.5-1 ml).
→ Beginners are advised to start with small amounts to avoid slipping too much.
Apply to intimate areas or toys
→ Female: vulva, vaginal opening
→ Male: glans penis, inner foreskin
→ Anal sex: Apply 1-2cm outside the anus + inside the anus
Resurrected by adding water when dry
→ Due to its water-based properties, KY can restore smoothness with just 2-3 drops of water.
Rinse with clean water afterwards
→ No residue, no staining of clothes

Comparison table of usage instructions for different products

Product Model	texture	Recommended dosage	Best Use
KY Jelly (Classic Gel)	Thick gel	1-2ml	Medical examination, anal sex, menopause
KY Liquid	dilute liquid	2-3ml	Quick sex, toy lubrication
KY Warming	Gel + Temperature Sensing	1ml	Foreplay for couples, for use in winter
KY Tingling (Sizzling)	Gel + Mint	0.5ml	Stimulating the senses, oral sex foreplay

Precautions for use

⚠️ Prohibited Activities	reason
Do not mix with oily products	It will damage the latex condom.
Do not use on wounds or inflamed areas.	Possible stimulation
Do not mix with silicone-based lubricants.	Reduced effect
Those with allergies should first perform an arm test.	Contains trace amounts of preservatives

Frequently Asked Questions (Q&A)

Q: Can it be used during oral sex?
AA small amount can be applied to the glans, but...Avoid swallowingIt is recommended to use food-grade lubricant instead.

Q: Can pregnant women use it?
AClassic Water-Based EditionSafetyHowever, please consult a doctor.

Q: Will it affect my ability to conceive?
ACurrent KYFree of spermicideIt does not affect sperm motility.

Q: Can it be used to lubricate tattoo needles?
ANot recommended; medical-grade petroleum jelly is more suitable.

Save method

100g per tube
Shelf life12 months after opening
Storage conditionsStore in a cool, dry place (<30°C)
avoidDirect sunlight and a humid bathroom environment

The Origin and Historical Evolution of KY Lubricants

The history of KY lubricant dates back to the early 20th century, when it was not the intimate care product it is today, but a practical tool in the medical field. In 1904, Van Horn and Sawtell, a pharmaceutical company in New York City, launched the first KY Jelly, originally intended as a surgical lubricant. At the time, doctors needed to reduce friction during surgery to prevent wound infection, and KY's natural water-based formula perfectly met this need. Its main ingredients are glycerin and hydroxyethyl cellulose, making it non-greasy and easy to wash off—a crucial element in the medical environment. The founder's choice of "KY" as the brand name remains a mystery. Some speculate it comes from "Kentucky," or represents "Key" and "Youth," but the company has denied these rumors.

Early KY diagnoses were limited to medical use, and in 1917 they were introduced to the market as prescriptions for gynecological examinations and prostate examinations. At that time, sexual health issues were still taboo, and the transformation of KY diagnoses required waiting for social changes. During World War II, medical demand surged, and KY diagnoses became standard equipment, used by soldiers in field hospitals to alleviate discomfort. After the war, the baby boom led to a population explosion, and women's health awareness rose, allowing KY diagnoses to gradually penetrate home medicine cabinets.

In the 1950s, Johnson & Johnson acquired the KY brand and incorporated it into its personal care product line. This was a key turning point: Johnson & Johnson aggressively marketed KY as a "multi-purpose lubricant," implying not only medical applications but also everyday use. In the 1960s, the sexual revolution swept the West, and the rise of hippie culture and the widespread use of birth control pills transformed sex from a private matter into a public topic. KY capitalized on this by launching an over-the-counter version, officially available in US pharmacies in 1980. This move broke down barriers, making it easily accessible to ordinary consumers.

Entering the 1990s, KY faced challenges. In 2002, its formula containing nonoxynol-9 (a spermicide) was withdrawn from the market due to the increased risk of HIV transmission. While this was a setback, it prompted a brand upgrade, emphasizing a safe, water-based formula. In 2014, Reckitt Benckiser acquired KY for an undisclosed amount and integrated it into the Durex sub-brand. This move attracted the attention of the UK Competition Authority, as KY and Durex's combined market share was nearly 751 TP3T, potentially leading to price increases. Ultimately, the acquisition was approved, but KY was required to maintain independent marketing.

In Asia, Durex KY entered the Taiwan and Hong Kong markets in the late 1980s, initially focusing on the medical market. In the 1990s, with economic growth and increased sex education, KY shifted its focus to the consumer market. In Taiwan, Durex KY lubricant gel (100g) sells for approximately NT$1400, becoming a popular Valentine's Day product. In mainland China, with the rise of e-commerce in the 2000s, KY became synonymous with "lubricant." In 2023, the UK-based KY changed its name to Knect, reflecting its globalization strategy.

KY's history is not just about product evolution, but also a mirror of society. From medical tools to intimate necessities, it has witnessed the shift in sexual attitudes from conservative to open. This is due to its adaptability: initially building trust through medical endorsements, and later expanding its market by riding the wave of sexual liberation. Today, KY sells in over 50 countries, contributing nearly half of the global lubricant industry's market capitalization. Its enduring appeal stems from innovation, such as the introduction of sensitive skin versions and organic formulas in the 2020s, catering to the needs of the younger generation.

The composition and scientific principles of KY lubricant

The core appeal of KY Jelly lies in its scientifically formulated blend. Its water-based design ensures a pH level close to that of the human body (approximately 4-5), preventing irritation to the vagina or skin. Standard KY Jelly ingredients include:

GlycerinThe main lubricant, accounting for approximately 20-30%, %, provides a smooth feel. It is derived from plant oils and is moisturizing without being sticky.
Hydroxyethyl celluloseThickener, which makes the product gel-like, easy to apply and less likely to drip.
preservativeFor example, chlorhexidine gluconate and methylparaben, ensure a shelf life of up to 2 years.
otherGlucono delta-lactone and sodium hydroxide are used to adjust pH and stability.

The liquid version contains propylene glycol and sorbitol to improve fluidity. Compared to oil-based or silicone-based lubricants, KY is insoluble in latex condoms, avoiding the risk of breakage; it does not affect silicone toys and can be cleaned with just water.

Scientifically, KY mimics natural secretions, reducing the coefficient of friction by over 801 TP3T, preventing micro-tears and thus lowering the chance of infection. A 2018 US ultrasound study showed that KY, as a coupling agent, has better conductivity than traditional gels, with an error of only 21 TP3T. However, the early version containing nonoxynol-9 affected sperm motility, leading to its discontinuation in 2002. The current version is FDA-approved as a Class II medical device, ensuring its safety.

Reasons for popularity: KY is popular because it is biologically inert, free of pigments and fragrances, and avoids allergies. Compared to competitors such as Astroglide (which contains hydroxypropyl guar gum), KY is easier to wash off and suitable for Asia's hot and humid climate. In the future, the brand is developing a glycerin-free version for diabetic patients.

KY gel andVaselineDifferent based lubricants

Comparison items	KY Gel (Water-based)	Vaseline lubricant (oil-based)	Conclusion (Who wins?)
1. Main ingredients	Water + Glycerin + Hydroxyethylcellulose	100 % Petroleum Jelly (Mineral Oil)	KY is more naturalVaseline is purer oil
2. Texture and smoothness	Thick gel-like consistency; revived upon contact with water; smooth but requires replenishment.	Thick and oily, but extremely long-lasting (lasts for 1 hour+).	Durability: Vaseline wins Ease of use: KY wins
3. Difficulty of cleaning	Clean water removes all residue.	Soap and hot water are needed; bed sheets are easily stained.	KY wins decisively
4. Condom compatibility	100 % Safety (Latex/Polyurethane)	It will degrade latex, only for polyurethane sleeves.	KY (Required)
5. Compatible with sex toys	Suitable for silicone/glass/metal	Destroy silicone toys (melt material)	KY wins decisively
6. Medical Use	FDA Class II Medical Devices Standard gynecological/rectal examination	For skin protection only (such as diaper rash cream).	KY Professional
7. Stimulation and Safety	pH 4-5, close to that of the human body Extremely low allergy rate	It's non-irritating, but it clogs pores and doesn't allow the skin to breathe.	KY is safer

Differences in user experience

Comparison of actual application scenarios

context	Recommended use	reason
Sex (using condoms)	KY Gel	Vaseline will puncture the cap!
Prolonged anal sex	Vaseline(If no cover is used)	It doesn't dry for a long time, but it's difficult to clean afterwards.
Sex toys	KY Gel	Vaseline will dissolve silicone
Gynecological examination	KY Gel	Medical grade, aseptic packaging
Skin protection (e.g., diaper rash)	Vaseline	Waterproof isolation layer
Menopausal daily moisturizing	KY Gel	For internal use only, pH balanced

Price Comparison (Hong Kong, 2025)

product	Specification	Watsons	Wanning
KY Jelly	100 g	HK$ 56.00 (Special Price)	HK$50.00
Vaseline	100 g	HK$ from HK$22.90 (depending on style)	~HK$25.00 (estimated)

Summarize

KY Lubricant = Safe + Versatile + Easy to Clean
Just remember "Apply a small amount, add water when dry, and rinse thoroughly afterwards."Three principles will allow you to easily enjoy a comfortable experience!"

A little reminderWhen purchasing genuine products, please look for the brand name. "KY®" trademark and FDA Medical Device CertificationTo avoid the stimulation of counterfeit goods.

Further reading: