Some lubricants are sold together, such as "hot and cold", or are marketed for a specific use or effect. Many different silicone lubricants are commercially available, with varying quality and performance. Commonly used lubricants include saliva , oil such as baby oil, olive oil , canola oil , or mineral oil or commercially available lubricants that are either water-based or hydroxyethylcellulose-based. Carrageenan has also been shown to be a potent inhibitor of human papillomavirus infection. Because of strict FDA guidelines for medical devices, organic personal lubricants were no longer allowed to carry a USDA seal for Nude Personal Lubricant, and that it should be very careful about using the term organic anywhere on its label.
Breathing on these types of lubricants may increase the effect. They also cited silicone -based lubricants as a potential alternative, although they did not test any silicone lubes in their study. Water-based 'lubes' have been recommended for use in safer sex because they do not weaken condoms like oil-based lubricants do. Their certification process calls for transparency in the ingredients used and the processes utilized to turn those ingredients into finished products. Water-based[ edit ] Water-based personal lubricants are water- soluble and are the most widely used personal lubricants. Carrageenan has also been shown to be a potent inhibitor of human papillomavirus infection. Scientists are testing whether anti-retroviral lubricants or gels can be applied to aid in the prevention of transmission of HIV. Sexual activity[ edit ] A personal lubricant can be used to increase pleasure and reduce pain during sexual intercourse or other activities and may be used for lubricating the penis , vagina , anus , fleshlight or dildo or other sex toys before or during activity. ANSI and NSF have partnered with organic certifiers around the country in order to provide a definitive set of compliance guidelines for organic lubricants and other personal care products. Some lubricants are sold together, such as "hot and cold", or are marketed for a specific use or effect. Hand lotion is often used for recreational masturbation and popularly seen as an alternative to lubricants created specifically for sexual intercourse. Some lubricants are conveniently packaged for ease of application. Products available today may have various agents added for even dispersal, moisture retention, and resistance to contamination. Some anal lubricants contain numbing agents to relieve discomfort during anal sex, although it is generally inadvisable as a lack of sensation makes accidental injury more likely. The viscosity of these products can be altered by adjusting their water content and concentration of cellulose or other gel-forming hydrophilic ingredient. Vaginal lubricants[ edit ] Vaginal lubricants are used to reduce vaginal dryness and pain during intercourse, and by couples trying to conceive. Many of these types of lubricants also market themselves as "natural" and do not contain paraben, glycerin, DEA or animal-based ingredients. Additionally, a commonly used numbing agent benzocaine can cause an allergic reaction in those with an allergy to PABA 4-Aminobenzoic acid. Silicone-based lubricant is also used in the manufacture of pre-lubricated condoms, due to its long-lasting properties and superior latex compatibility. Many men in Japan use lubricant created specifically for onaholes such as the Tenga Egg. In most cases, a warning is listed on the product label. The Population Council , in a study, tested commercially available water-based sexual lubricants, and found that many damaged human rectal cells and that some of them - those containing polyquaternium - appeared to actively increase HIV replication in cell cultures and therefore could raise one's risk of HIV transmission. Silicone lubricants offer a different feel from water-based personal lubricants. Personal lubricants are particularly useful for intercourse when a partner experiences dryness or excessive contraction tightness of the vagina or anus. Other[ edit ] Other products that have been used as personal lubricants include vegetable shortening , which is durable and inexpensive but damaging to latex.
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