Archived from the original on 12 November Many different silicone lubricants are commercially available, with varying quality and performance. Surgical or medical lubricants or gels, which are similar to personal lubricants but not usually referred to or labelled as "personal" lubricants, may be used for medical purposes such as speculum insertion or introduction of a catheter. Products available today may have various agents added for even dispersal, moisture retention, and resistance to contamination. Family Health International. Certain 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 flora in the vagina , which might lead to infections such as bacterial vaginosis.
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