Blue light skincare: During and Post-lockdown December 17, 2020Yeongkwon Son What is blue light? : Visible light with a wave length between 400 and 450 nanometers (nm). Blue light is perceived as blue in color but it may be perceived...
Facial oil should be used before or after moisturizer? December 04, 2020Yeongkwon Son Facial oils and moisturizers are already essential products in skincare routines. A lot of you may be wondering "Facial oil should be used before or after moisturizer?" Answer is to...