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2. Pigmentation effects of blue light irradiation on skin and how to protect against them
3. SeactiveZT.Naturalis Life Technologies.http://www.naturalislife.com/seactive-ZT.html. Accessed September 11 2020.
4. Parsol(R) Max.DSM.https://www.dsm.com/personal-care/en_US/products/uv-filters/parsol-max.html. Accessed September 11 2020.
5. Impact of Photostability and UVA/UVA‐Blue Light Protection on Free Radical Generation;Sohn M;SOFW Journal,2019