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For best results, this 1-ounce bottle comes with a detailed set of instructions on internal application and use so you can increase the size and sensitivity of the G-spot. buy it ( $27 ; $14) 17.
Silicone-based lubricants are equally as wet and slippery as water-based lubes, says Dr. Ross. “Silicone based lubes tend to be thicker, last longer with more staying-power, but need soap and ...
These simple, water-based lubricants can make sex more pleasurable, are gentle enough for sensitive skin, and are less messy than other lubes, doctors say. The 9 Absolute Best Water-Based Lubes ...
In [8] it's shown how use of anti-friction additives can increase the power efficiency of a motor. Nanoparticle flakes from the oil additive TriboTEX. Image taken with electron microscope showing the nano scale. Extreme pressure agents bond to metal surfaces, keeping them from touching even at high pressure.
Penile erection for men is a vascular event caused by the innervation of both autonomic (sympathetic and parasympathetic) and somatic nervous systems (sensory and motor). [4] Sensory information is received from the genitals towards these nervous systems, in which neurotransmitters such as serotonin , dopamine , noradrenaline , and adrenaline ...
As a result, VIP induces an increase in vaginal blood flow accompanied by an increase in vaginal lubrication. The findings suggest that VIP may participate in the control of the local physiological changes observed during sexual arousal: genital vasodilation and an increase in vaginal lubrication. [5] Neuropeptide Y is also involved in ...
16) Use lube. Research conducted by Indiana University's Center for Sexual Health showed that using lube makes it 50% easier for both men and women to orgasm. And it makes sense, too: according to ...
Some compounds used in lubricant additives are chloroalkanes, trichloromethyl phosphine acids, organic esters of a-acetoxy-b,b,b-trichloroethyl phosphonic acid, trichloromethyl esters of phosphoric acid, trichloromethyl derivates of sulfur, trichloroacetoxy compounds, esters or amine salts of chlorendic acid, 1,2,3,4,7,7-hexachloro-5 ...
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