[...] Chemicals No chemicals are used in blue light or blue/red light therapy for acne. Blue light is a 100% natural acne treatment. If blue light is used with a chemical such as ALA or Levulan, it is then called Photodynamic therapy, or PDT, which is NOT the same form of treatment. [...]
[...] Chemicals No chemicals are used in blue light or blue/red light therapy for acne. Blue light is a 100% natural acne treatment. If blue light is used with a chemical such as ALA or Levulan, it is then called Photodynamic therapy, or PDT, which is NOT the same form of treatment. [...]