Think about nails scratching a chalkboard for one second. Are you flinching? One study found that this sound literally accelerated the participants’ stress levels, quickening heart rates, heightening blood pressure and even altering the skin’s electrical conductivity. In the study, the scientists discovered that—when stimulated with this screeching sound, the auditory cortex interacted with the amygdala, which controls responses related to fear and emotions.

Blue Star Flakes Slime Color

I use this in many of my slimes (fleurybearcreation.etsy.com) and I have to say it is hands-down my favorite pigment. I have made many videos showing the mixing of this pigment (@limeryslimery) because it is THAT BEAUTIFUL!!!! You can see the rose and with the gold it is sooooooo beautiful . . . you need to get your hands on these!!!! Love them so so so much.

Beautiful color! The other pigments were amazing and beautiful too. The only reason this got one fewer star is that the ziploc baggy it came in didn’t want to close all the way, and I spilled some! But I’m sure that was just a manufacturing error, and it certainly doesn’t reflect on the seller. I bought, like, 11 other pigments and all of the other bags close like they should.