What are the differences between red and blue LED lights for skin treatment?

Read also:

• Is it okay to pay 12,000 SEK for rent 67m² furnished house for 2 people in Jönköping, Sweden? It also includes electricity, internet, heating, and water expenses.
• Is a monthly salary of 47,000 SEK before tax considered adequate for a C# .Net developer with over 7 years of experience in Sweden?
• Jeff Bezos and Lauren Sanchez to spotlight Venice's artisanal heritage during upcoming nuptials - AP News
• What is the most interesting question you can ask to get to know someone?
• What are the most common misconceptions people have about demon summoning?
• Which Ayurvedic ritual, dry brushing, oil pulling, or facial massage, do you want to try first?
• Why cant I sleep? When I'm about to fall asleep, I get excited that im about to sleep, causing me to wake up again. It repeats till my sleepiness is gone. I tried taking melatonin and not using my phone, but I end upawake for hours.
• 'We've got a new mystery on our hands': Titan's weird wobble just got even stranger - Space
• Do you like to wear a see-through skirt?
• Most Women Ignore This Symptom As A Subtle Sign Of A Heart Attack, But It Could Be A Matter Of Life And Death - BuzzFeed