These days, you can find an assortment of facial treatments out there, many of which use various forms of technology to deal with acne, improve skin quality and manage scars according to severity.
Some may work better than others while some are considered dangerous and inauthentic options that aren't worth the risk.
Many medi-spas and salons provide blue LED lights as part of facial treatment. Many people, however, typically associate blue light from electronics like laptops or mobile phones with detriment to the skin.
So, what's the difference? Are there any harmful side effects? Dr Por Yong Ming, elaborated and here's what he said.