STK Skin

STK Skin

Screen victim's body and hair

What is STK Skin?

Following a rape, purpose of victim forensic examination is first of all to identify and treat injuries, but the objective is also to help the investigation by attempting to collect assaulter’s semen traces.

Unfortunately, due to poor available solutions to locate sperm stains, current protocol relies mainly on blind swabbing, hoping to collect assaulter’s semen.

In order to deal with this issue, AXO Science has developed STK Skin, a sprayable solution that allows to specifically detect semen on victim’s skin and hair. Non-toxic, reliable and specific, STK Skin is the essential solution for forensic experts.

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Available products

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STK Skin x 10

STK Skin for victim's body and hair
Box of 10 STK Skin pouches

Sprayer

Spray bottle to be used with STK Spray & STK Skin

UV Goggles

Transparent goggles with UV filter to be used when using UV light

How to use STK Skin?

Dilute 1 sachet of STK Skin in 100 ml (~3 US fl oz) of demineralized water
1

Dilute 1 sachet of STK Skin in 100 ml (~3 US fl oz) of demineralized water

Spray victim’s body at a distance of ~20 cm (~8 inches)
2

Spray victim’s body at a distance of ~20 cm (~8 inches)

Read results with a 365nm UV light with visible light filter: only semen stains will glow in a blue color
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Read results with a 365nm UV light with visible light filter: only semen stains will glow in a blue color

Frequently Asked Questions

Is STK Skin toxic?

STK Skin is not toxic and can be sprayed on victim’s body and hair. Protect victim’s eyes and mucosa.

Is STK Skin damaging DNA?

No, STK Skin is not damaging DNA and is fully compatible with extraction techniques.

How long can I use the STK Skin solution once diluted in water?

24h, protect it from sunlight.

Can I use any sprayer?

You can use any sprayer that is doing a fine mist and avoid big drops of waters.

Can I use any UV light?

No, you have to use a 365nm UV light with visible light filter. No every 365nm UV light give great results, please use a positive control to validate your UV light. We can recommend some specific 365nm UV lamp if needed.

Documentation for download