3 ms·
They’re purple (blue is the other option) because veins are harder to see under purple light. They’re used to deter drug use, from my understanding. Edit: fina
by lesona 2y ago
They’re purple (blue is the other option) because veins are harder to see under purple light. They’re used to deter drug use, from my understanding.
Edit: final clause
- headsupernova 2y agoNot true, they're just defective and degraded quickly, resulting in the odd color.