Types [edit ]
By musical composition [edit ]
Water-based personal lubricants are water- soluble and are the most widely used personal lubricants. The earliest water-based lubricants were cellulose ether or glycerol solutions. Products available nowadays may have assorted agents added for even dispersion, moisture memory, and resistance to contamination. The viscosity of these products can be altered by adjusting their water content and concentration of cellulose or other gel-forming hydrophilic component. Because water-based personal lubricants absorb into the skin and evaporate, most water-based lubricants have a tendency to dry out during habit, but reapplication of the lubricant or application of water system or saliva is normally sufficient to reactivate them. When the lubricant finally dries out, it may leave behind a remainder derived from the early ingredients in the formulation. This may require reapplication during sex, and/or removal of the remainder with water system. Scientists are testing whether anti-retroviral lubricants or gels can be applied to aid in the prevention of transmission of HIV. [ 4 ] typical water-based lubricants may be incompatible with arouse acts that occur in water system ( such as in a bathtub, pond, or hot tub ) as they can be dissolved or dispersed in water.
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The Population Council, in a 2011 study, tested commercially available water-based intimate lubricants, and found that many damaged homo rectal cells and that some of them – those containing polyquaternium -15 – appeared to actively increase HIV reproduction in cell cultures and therefore could raise one ‘s risk of HIV transmission. Water-based ‘lubes ‘ have been recommended for consumption in dependable sex because they do not weaken condoms like oil-based lubricants do. The researchers concluded : “ Since it is the condom that is protecting users from HIV quite than the lubricate, condom users should still be encouraged to use water-based lubes because condoms are besides more probable to break, and trauma to the rectal line occur, with no lubricate ”. They besides cited silicone -based lubricants as a likely alternate, although they did not test any silicone lubricant in their discipline. [ 5 ] A later cogitation has validated the findings of the Population Council for some water-based products ‘ hyper-osmolality causing some human ‘s cells price, and better bio-compatibility with low-osmolality water-based products and silicone-based products but failed to corroborate polyquaternium 15 having a function that binds HIV to rectal cells or increase HIV replication. [ 6 ]
Oil-based lubricants, for exercise petroleum-based lubricants ( such as petroleum jelly ), can increase the likelihood of breakage and err of latex paint condoms due to loss of elasticity caused by these lubricants. [ 7 ] Oil-based lubricants may be considered desirable for people who are in relationships not requiring condom use and who wish to avoid certain additives and preservatives often found in early lubricants .
silicone -based lubricants do not contain any water. They offer a unlike feel from water-based personal lubricants. Silicone-based lubricants are not absorbed by peel or mucous membranes and consequently last longer than water-based lubricants. many different silicone lubricants are commercially available, with varying quality and performance. not all silicone-based lubricants are certified latex-safe, but silicone-based lubricants have not been shown to increase the risk of HIV transmission during anal sexual intercourse, as some water-based lubes have. [ 8 ] [ 9 ] Silicone-based lubricants are not normally recommended for practice with arouse toys or other products that are made from silicone because the convention may dissolve the surface, making it gluey to the touch, and cause annihilation of the item over time. [ 9 ] This damage may create a breeding establish for bacteria. In most cases, a warn is listed on the merchandise label. Silicone-based lubricant is besides used in the manufacture of pre-lubricated condoms, due to its durable properties and superior latex paint compatibility .
By use [edit ]
vaginal lubricants [edit ]
vaginal lubricants are used to reduce vaginal sobriety and annoyance during sexual intercourse, and by couples trying to conceive. During birthrate interventions, the habit of a lubricant eases sperm specimen collection by masturbation. normally use lubricants include saliva, vegetable oil ( such as pamper petroleum, olive vegetable oil, canola oil oil, or mineral oil ) or commercially available lubricants that are either water-based or hydroxyethylcellulose-based. [ 10 ] Human saliva and olive oil have been found to be damaging to sperm serve. [ 11 ] [ 12 ] [ 13 ] Certain normally used commercial lubricants, although labeled as non-spermicidal or spermicidal agent-free, have been found to impair sperm function, [ 12 ] [ 14 ] [ 15 ] [ 16 ] [ 17 ] with several of these lubricants being as toxic to sperm in vitro as contraceptive gels. [ 18 ] Sperm motion and viability were found to be disrupted shortly after send contact between sperm and those lubricants or in saliva. [ 12 ] [ 14 ] [ 19 ] [ 20 ] Sperm officiate could be compromised following lubricant contact, due to the specific ingredients in the lubricant or due to the chemical properties of the lubricant, such as highly raised osmolarity or low ph. [ 17 ] [ 21 ] such lubricants are consequently dangerous for use during birthrate procedures such as semen collection [ 12 ] [ 14 ] [ 15 ] [ 18 ] or by couples trying to conceive by natural or assisted replica. [ 12 ] [ 14 ] [ 22 ] [ 20 ] vaginal lubricants such as mineral anoint, canola oil oil, or hydroxyethylcellulose-based lubricants are recommended for use by couples attempting creation by The Practice Committee of the american Society for Reproductive Medicine. [ 10 ] [ 11 ] [ 12 ] [ 18 ] [ 17 ] [ 21 ] [ 23 ] [ 24 ] [ 25 ]
many lubricants are safe for anal sex, but there are products that are specifically marketed or designed to enhance use of anal sex. Often, this is simply a thick gel preferably than a liquid. This thick consistency is preferable because it helps the lubricant stay in station. Some anal lubricants contain numb agents to relieve discomfort during anal sex, although it is by and large inadvisable as a miss of sensation makes accidental injury more likely. additionally, a normally used numb agent benzocaine can cause an allergic reaction in those with an allergy to PABA ( 4-aminobenzoic acid ). Some lubricants are handily packaged for still of application. many of these products such as Astroglide Shooters have been pulled from the market ascribable to FDA Medical Device Requirements. [ 26 ] Products containing benzocaine can numb all torso parts with which they come in liaison .
Organic or natural [edit ]
In the United States, the first certified constituent personal lubricant labeled with the USDA organic varnish was Nude Personal Lubricant, [ 27 ] which was created in 2004 by Applied Organics. The US Food and Drug Administration ( FDA ) regulates lubricant as a aesculapian device quite than as a cosmetic. Because of nonindulgent FDA guidelines for medical devices, constituent personal lubricants were no longer allowed to carry a USDA navy seal, and they should be very careful about using the term organic anywhere on the label. many of these types of lubricants besides market themselves as “ natural ” and do not contain paraben, glycerol, diethanolamine ( DEA ) or animal-based ingredients. Some check botanicals such as aloe vera or plant extracts.
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specialization lubricants [edit ]
Warming lubricants contain specific ingredients to cause a ace of heat. Breathing on these types of lubricants may increase the effect. “ Cooling ” or “ tingle ” lubricants may contain ingredients such as peppermint. Some lubricants are sold together, such as “ hot and coldness ”, or are marketed for a specific use or effect. [ 28 ] Flavored lubricants contain flavorings, such as fruit flavors, to enhance oral contact. “ edible ” lubricants may be flavored and/or may not contain any ingredients that are not advisable to eat .
other [edit ]
other products that have been used as personal lubricants include vegetable shortening, which is durable and cheap but damaging to latex. [ 29 ] In a controversial scene in the movie Last Tango in Paris, the character Paul, played by Marlon Brando, uses butter during anal arouse with the character Jeanne, played by Maria Schneider .
Uses [edit ]
sexual activity [edit ]
A personal lubricant can be used to increase joy and reduce pain during sexual intercourse or early activities and may be used for lubricating the penis, vagina, anus, stroker or dildo or other sex toys before or during bodily process. lubricant may be applied to any body share desired, to the inside and/or outside of condoms, or to the hands or fingers. personal lubricants are particularly utilitarian for intercourse when a partner experiences dryness or excessive contraction ( stringency ) of the vagina or anus. Anal sex broadly requires more generous application of lubricant since the anus does not have natural lubrication sufficient for most sexual activeness. [ 30 ]
masturbation [edit ]
While most males and females produce varying amounts of their own lubrication, extra lubrication is sometimes sought when needed. many men in Japan use lubricant created specifically for onaholes such as the Tenga Egg. [ 31 ] There are specific lubricants which may be used in male masturbation but are not suitable for vaginal or anal use or for use with condoms. [ 32 ] Lubricant that is dependable for sexual sexual intercourse is besides safe for masturbation. Hand lotion is much used for recreational masturbation and popularly seen as an alternate to lubricants created specifically for sexual sexual intercourse. [ 33 ] Masturbation creams are lubricants specifically for male masturbation .
medicine [edit ]
Enema [ 34 ] and rectal thermometer [ 35 ] tips should be lubricated ahead consumption to minimize clash while inserting through the tightly retentive anal sphincter. personal lubricants can help treat erectile dysfunction in older men. [ 36 ]
Risks [edit ]
As of December 2012, the U.S. Food & Drug Administration does not typically require testing of personal lubricants in humans. [ citation needed ] The representation classifies them as aesculapian devices, indeed testing occurs on animals such as rabbits and wop pigs. Rectal use of lubricants is viewed by the agency as an off-label application. [ citation needed ] In 2012 it was reported that participants who systematically used personal lubricants for rectal intercourse had a higher prevalence of sexually transmitted infections ( STI ), such as chlamydia, than inconsistent users. [ citation needed ] Some warming lubricants have been shown to have an osmolality count more than 30 times the body ‘s own fluid. Increased herpes transmission was more than nonuple when compared with animals not administered lubricant. In 2007 it was demonstrated that certain lubricants can cause significant damage to the rectal weave of human analyze participants – major shedding of cells from tissue samples biopsied 60 to 90 minutes after lubricant application was observed. sealed lubricants containing the ingredient chlorhexidine, an antibacterial agent, has been shown to kill three species of Lactobacillus and has been shown to unbalance the natural plant in the vagina, which might lead to infections such as bacterial vaginosis. Lubricants with osmolalities closer to that of the torso, such as agar-based lubes, did not damage the tissue samples or boost HIV contagion rates. [ 37 ] [ citation needed ] Some may experience discomfort from the function of certain lubricants. Some lubricants ( as mentioned above under Water-based have been found to damage cells or even increase the rejoinder of the HIV virus. [ 8 ] Nonoxynol-9, a spermicide contained in some lubricants, can destroy vaginal and rectum cellular telephone membranes which may increase the rate of STI transmittance. [ 38 ] Spermicidally lubricated condoms do not contain adequate spermicide to increase contraceptive potency, [ 39 ] but lotion of offprint spermicide is thought to reduce pregnancy rates significantly. [ 40 ]