Vajazzling consist of glueing small crystals directly to the skin. The glue used wears away within a few days. A quality spa will guarantee the gems to stick for about 5 days. Various adhesives can be used based on the manufacturer. Spirit gum is a common adhesive for these applications.
According to Wikipedia:
It has been known to cause allergies in some people, but nevertheless remains in wide use.
Empowher.com is more concerned about the woman's overall sexual health. As long as you're practicing safe sex and vajazzling for the right reasons (not being pressured into it), then all is well.
1. You're getting tested for STDs and you're making sure your partners get tested as well: Your vagina won't look dazzling with an STD. As with most things, you need to take care of the inside and outside. Encourage your partners to get tested and make sure you enforce...
2. Safe Sex. Don't waste your crystals on someone who refuses to use protection - there are multiple ways to be accountable for your sexual health. Preventing unintended pregnancies may happen through male and female condoms, oral contraceptives, nuva rings, etc. Take care of yourself and be rigid about your sexual health.
3. Enjoy yourself. By this I mean - if you're getting pressured and feeling uncomfortable about changing your body, perhaps it's time to rethink your situation. Everyday we get hundreds of messages telling us to be pure in a certain way, or pretty in a certain way, or sexy in a certain way.
http://www.empowher.com/news/herarticle/2010/03/15/vajazzling-and-sexual...
Examiner.com asked a doctor if this is safe, here's what she had to say:
Is bedazzling your vagina safe? Suffice it to say there are no medical studies available. However, the genital skin is among the most sensitive in the body. Skin adhesives typically contain alcohol, ether, latex, or formalin, all of which can cause irritant or allergic reactions, especially if applied to freshly waxed skin!
http://www.examiner.com/examiner/x-4079-SF-Sexual-Health-Examiner~y2010m...