Me and my wife are playing in a ton of gunge today and getting really messy. I was wondering if it is safe to have sex in the gunge? We usually get cleaned up and then do it but it would be so much better while all messy in the gunge pool. Have you done it before? It's MS gunge from messy supplies.
Has the ingredients of: Aqua (Water), Propylene Glycol, Hydroxyethylcellulose, Benzoic Acid, Sodium Hydroxide
Of which Hydroxyethylcellulose is Natrosol.
Now the MSDS on the MessySupplies website says MS Gunge is made of Natrosol - I don't know if they add anything as I've never been clear on why they make a fuss of selling MS Gunge separately from their Natrosol - something you may have to ask them which they may or may not be willing to answer - but my assumption is that it is just a different grade of Natrosol that mixes faster and assuming they don't add anything its use in sex lube is down to it being safe to take internally.
At least in those quantities. If you were to sit there drink multiple pints of gunge then you'll see why it is related to something used in laxatives but as I say you would have to be deliberately drinking significant quantities before noticing an effect.
But assuming MS Gunge doesn't add anything to the Natrosol (I always go for the regular Natrosol HR250 myself as it has been the grade I've always used since the days in which I used to swing by the Basic Chemical Company whilst passing High Wycombe to save on delivery and get a bigger batch instead) you should be fine. Gets a little frothier than regular sex lube when exposed to the sheer backwards and forwards forces (probably the reason they have the likes of Propylene Glycol in the lube to keep the solution more stable) but should be fine.
Perfectly safe, and it's tonnes of fun to boot! In her words "This stuff is fucking magic!"
As Trickster mentioned it shares an ingredient with regular sex lubes. From personal experience is actually works as a sex lube- it's not as slippery as the actual lube but it works. Added bonus of being able to effortlessly slide my hands under my partner too.
I'd advise against standing positions (and the more exotic karma-sutras) for the obvious reasons- but missionary, cowgirl (/reverse cg), doggy, and the one where she lies on her belly and I straddle on top of her (can't remember the name) all work fantastic while messy.
Gungy 69 does work (as does going down on her), you'll want to wipe some of the gunge off her first or it'll block your nose and make it impossible to breathe. Since you're covered in lube toys and fingers also feel amazing.